Color Details and Palettes for #283FB2

Details about the color Denim

Closest web-safe match: #333399

Use this color in our tools

Every tool opens preloaded with #283FB2 — pick where to take it next.

 #283FB2
Simulate color Preview this color on real UI components Check contrast Check WCAG contrast for this color Generate harmony Build a 5-color harmony from this color Build a gradient Use this color as a gradient stop Convert formats View HEX, RGB, HSL, HSV, CMYK, OKLCH Color blindness Preview this color across vision types Mix with another Blend this color with another Find closest Pantone Approximate Pantone Solid Coated match

About Color Hex #283fb2

The color Denim, with hexadecimal code #283fb2, belongs to the blue color family, the world's most universally preferred hue. Blue projects trust, stability, and intellectual calm, which is why it dominates corporate, financial, and technology branding worldwide. Additionally, it evokes emotions such as Trust, Peace, Loyalty, Integrity and Tranquility. Blue signifies tranquility and stability. In Middle Eastern cultures, it can also represent protection against the evil eye, while in Western cultures, it symbolizes calmness and reliability. At 63% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 43%, it offers excellent versatility—readable as text on light backgrounds and visible as an element on dark ones. This color is ideal for designs that aim to express Trust, Peace, Loyalty, Integrity, or Tranquility. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Denim are (40, 63, 178), providing a combination of red: 40, green: 63, and blue: 178. In HSL format, it has a hue of 230.00°, saturation of 63.00%, and lightness of 43.00%.

The HSV representation includes a hue of 230.00°, saturation of 78.00%, and value of 70.00%. Its CMYK composition is cyan: 78.00%, magenta: 65.00%, yellow: 0.00%, and black: 30.00%.

The calculated luminance of #283fb2 is 0.072, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #333399. Its contrast ratio is 2.44:1 against black and 8.59:1 against white. It works well on light backgrounds but may be challenging on darker ones.

In terms of color temperature, #283fb2 reads as cool. When it comes to accessibility, testing against standard guidelines suggests that using white text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #283fb2 is white.

Considering its saturation and lightness, #283fb2 appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #283FB2

Denim (#283FB2) belongs to the Blue color family.

This vivid mid-tone strikes the ideal balance between intensity and readability, making it a strong candidate for primary brand colors, interactive UI elements, and logo design where immediate recognition is essential.

Historical Background

Blue's scarcity in nature made it a late addition to human color vocabulary—Homer's 'wine-dark sea' notably omits the word blue entirely. The breakthrough came with Egyptian Blue (~2200 BC) and later ultramarine from Afghan lapis lazuli, which Medieval artists hoarded for divine subjects. Synthetic ultramarine (1826) and cobalt blue democratized the color, enabling Impressionists like Monet and Renoir to paint blue-drenched landscapes affordably.

Design & Usage Tips

Blue is the most universally liked color and dominates corporate branding (Facebook, LinkedIn, IBM, Samsung). Use it to establish trust, competence, and professionalism. Lighter blues suit wellness and social apps, while darker blues convey authority and security. Avoid using blue for food branding—it suppresses appetite.

Sitting on the cool side of the spectrum (hue 230°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 63% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Blue lowers blood pressure and heart rate, promoting calm and focused thought. It signals reliability and integrity, which is why it is the default choice for banks, insurance companies, and government institutions. In UX, blue links and buttons feel intuitive because users have been trained by decades of web convention.

With a mid-range lightness of 43%, this tone is highly versatile: dark enough to serve as body text on white, yet light enough to stand out on charcoal or navy backgrounds.

Creative Design Ideas

Pair classic blue (#0047AB) with warm amber for a nautical or heritage brand. Use gradient blues (light-to-dark, top-to-bottom) for app onboarding screens that feel expansive and inviting. In data dashboards, blue is the safest primary chart color—it's distinct, professional, and colorblind-friendly.

#283FB2 Color Conversions

Every way to write Denim — copy Denim as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#283FB2

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(40, 63, 178)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(230, 63%, 43%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(230, 78%, 70%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(230 16% 30%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(78%, 65%, 0%, 30%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(42.94% 0.183 268.39)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(42.94% -0.005 -0.183)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 32.30, a: 33.13, b: -63.40

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 32.30, C: 71.53, H: 297.59

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 10.69, Y: 7.22, Z: 42.95

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
2637746

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #283fb2

RGB Color Percentages for Denim (HEX Code: #283fb2) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Blue, making up 63.35% of the total composition. The complete breakdown of RGB contributions is:

Red:
14.23%
Green:
22.42%
Blue:
63.35%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Denim.

CMYK Ink Levels & Print Guide for #283fb2

CMYK Ink Levels for Denim (HEX Code: #283fb2) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Denim prominently features Cyan, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 77.53%, Magenta: 64.61%, Yellow: 0%, and Black: 30.2%.

Luminance & Contrast for #283FB2

Relative luminance gauges how bright Denim is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.072
0 · dark1 · light
Aa
Black text 2.44:1
AA AAA Large
Aa
White text 8.59:1
AA AAA Large

Quick CSS Snippets for #283FB2

Copy-and-paste CSS for Denim — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #283FB2;
Text color: #283FB2;
Border border: 2px solid #283FB2;
RGB background-color: rgb(40, 63, 178);
HSL background-color: hsl(230, 63%, 43%);
Variable --color: #283FB2;

#283fb2 Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#e9ecf7
#c9cfec
#a9b2e0
#8995d5
#6979c9
#485cbe
#283fb2 Original
#223697
#1c2c7d
#162362
#101947
#0a102d
#040612

#283fb2 Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#283fb2 Original
#b39c29

#283fb2 Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#283fb2 Original
#5729b3
#2985b3
#9c29b3
#29b39c
#b32985
#29b357

#283fb2 Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#283fb2 Original
#b32940
#40b329

#283fb2 Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#283fb2 Original
#b32985
#b39c29
#29b357

Color Blindness Simulation for #283fb2

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Denim (#283fb2) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Friendly

Protanopia (Red Weakness)

Friendly

Tritanopia (Blue-Yellow Weakness)

Not Friendly

Achromatopsia (Total Color Blindness)

Not Friendly

Color Harmonies for #283fb2

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#283FB2 Nearby Colors

A handful of colors just a step away from #283FB2 — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#4455bb Blasphemous Blue
#0033aa Blue Hour
#5555cc Warm Blue
#002299 Space Dust
#1144bb Once in a Blue Moon
#3344aa Denim
#5533aa Royalty
#0044bb Once in a Blue Moon

Colors Similar to #283fb2

These colors are close neighbours of #283FB2 in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Blue tone.

#293fb2 Denim
#2840b2 Denim
#283fb3 Denim
#273fb2 Denim
#283eb2 Denim
#283fb1 Denim
#393fb2 Denim
#2850b2 Blasphemous Blue
#283fc3 Denim
#173fb2 Denim
#282eb2 Sapphire Splendour
#283fa1 Liquid Denim

Looking for more Blue shades? Browse Blue colors →

Explore Vibrant Images Featuring Denim (#283fb2)

Discover a vibrant gallery of images that not only showcase the captivating hue of Denim, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.