Closest web-safe match: #0033CC

Color Details and Palettes for #1233DD

Details about the color Sapphire Glitter#1233DD

Conversions, palettes, contrast & design ideas for this color.

Blue family Cool WCAG ink: white
HEX #1233DD RGB rgb(18, 51, 221) HSL hsl(230, 85%, 47%) CMYK cmyk(92%, 77%, 0%, 13%)

Color profile

About Color Hex #1233DD

#1233DD is a cool color from the Blue family, closest in name to “Sapphire Glitter”. In RGB it is rgb(18, 51, 221); in HSL, hsl(230, 85%, 47%).

The color Sapphire Glitter, with hexadecimal code #1233dd, 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. With a high saturation of 85%, this color is intensely vivid—demanding attention and ideal for focal elements like buttons, banners, and brand marks. With a mid-range lightness of 47%, 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.

Key facts

RGB 18, 51, 221 red · green · blue HSL 230° 85% 47% hue · sat · light HSV 230° 92% 87% design-app pickers CMYK 92 77 0 13 print inks, % Luminance 0.077 0 dark → 1 light On black 2.54:1 ✕ AA contrast ratio On white 8.26:1 ✓ AA contrast ratio Web-safe #0033CC closest web-safe Best text white ideal foreground Character Vivid cool · blue family

The story of this color

History, Usage, Psychology & Design Ideas for #1233DD

Sapphire Glitter (#1233DD) 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. At 85% saturation, this is a highly vivid color that demands attention. Use it where maximum visual impact is needed—feature banners, accent buttons, and data-visualization highlights.

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 47%, 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.

Every format

#1233DD Color Conversions

Every way to write Sapphire Glitter — one-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#1233DD

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(18, 51, 221)

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, 85%, 47%)

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, 92%, 87%)

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 7% 13%)

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(92%, 77%, 0%, 13%)

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(44.82% 0.252 265.38)

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

OKLab Modern
oklab(44.82% -0.020 -0.252)

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: 33.39, a: 54.20, b: -86.75

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

LCH Perceptual
L: 33.39, C: 102.29, H: 302.00

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

XYZ CIE Science
X: 14.48, Y: 7.72, Z: 69.13

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
1192925

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

Channel breakdown

RGB Color Percentages for #1233DD

How much red, green and blue light mixes into Sapphire Glitter.

Red 18/255 6.2% Green 51/255 17.6% Blue 221/255 76.2%

Percentages show each channel's share of the total light (R + G + B) in Sapphire Glitter.

Ink coverage

CMYK Ink Levels & Print Guide for #1233DD

Ink needed to reproduce Sapphire Glitter in four-color print. Heaviest ink: Cyan.

92% CYAN 77% MAGENTA 0% YELLOW 13% KEY

Print tip: treat these values as a starting point — final output depends on printer profile, paper stock and calibration.

Accessibility · WCAG

Luminance & Contrast for #1233DD

How bright Sapphire Glitter is, and how far black and white text clear each WCAG bar.

Relative luminance 0.077
0 · dark1 · light

Contrast ratio · 1:1 → 21:1 (log scale)

Aa Black text 2.54:1 ✕ AA ✕ AAA ✕ Large
Aa White text 8.26:1 ✓ AA ✓ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #1233DD

Copy-and-paste CSS for Sapphire Glitter — per-line copy, or grab the whole block.

sapphire-glitter.css
background-color: #1233DD;
color: #1233DD;
border: 2px solid #1233DD;
background-color: rgb(18, 51, 221);
background-color: hsl(230, 85%, 47%);
--color: #1233DD;

Shades · light to dark

#1233DD Monochrome Palette

Lighter and darker steps of Sapphire Glitter — the color's full brightness range in one strip.

#E7EBFC
#C4CCF7
#A0ADF1
#7D8FEC
#5970E7
#3652E2
#1233DD
#0F2BBC
#0D249B
#0A1C7A
#071458
#050D37
#020516

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 180° apart

#1233DD Complementary Palette

Two colors opposite on the wheel — maximum contrast for attention-grabbing accents.

#1233DD
#DEBC12

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · adjacent hues

#1233DD Analogic Palette

Neighboring hues on the wheel — harmonious, calm combinations that feel unified.

#1233DD
#5612DE
#129ADE
#BC12DE
#12DEBC
#DE129A
#12DE56

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 120° apart

#1233DD Triadic Palette

Three colors evenly spaced on the wheel — vibrant and energetic, yet balanced.

#1233DD
#DE1234
#34DE12

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Harmony · 90° apart

#1233DD Quad Palette

Four colors evenly spaced on the wheel (tetradic) — rich schemes with multiple accents.

#1233DD
#DE129A
#DEBC12
#12DE56

The dot marks the original color. Hover any shade to copy its hex or open its color page.

Accessibility

Color Blindness Simulation for #1233DD

How Sapphire Glitter reads across five kinds of color vision — a ✓ Friendly verdict means the color difference stays distinguishable for that vision type.

#1233DD
#1E1CAA
#2021B4
#14938C
#383838
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✓ Friendly Tritanopia blue-yellow weakness ✕ Not friendly Achromatopsia total color blindness ✕ Not friendly

The dot marks the original color. Hover any shade to copy its hex.

Harmony overview

Color Harmonies for #1233DD

The lead color from each harmony scheme, side by side — a shortcut to the full palettes above.

#DEBC12
#5612DE
#DE1234
#DE129A
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#1233DD Nearby Colors

A step away in brightness, richness or shade — each still feels like the same color.

Rare Blue#3344EE
Lapis on Neptune#0022CC
Candy Grape Fizz#5555FF
Too Dark Tonight#0011BB
Vibrant Blue#0033EE
Sapphire Glitter#2233CC
Sea Serpent’s Tears#6611CC
Rare Blue#0044EE

From the color-name library

Colors Similar to #1233DD

The closest named colors to #1233DD — same mood, each with its own character.

Sapphire Glitter#0033CC
Slice of Heaven#0022EE
Brutally Blue#0022DD
Blue Overdose#0020EF
Vibrant Blue#0339F8
Lapis on Neptune#1F22D2
Bluebonnet#1C1CF0
Vivid Blue#152EFF
Blue Screen of Death#0033BB
C64 Blue#003AFF
Midsummer Nights#0011EE
Blurple#5539CC

Looking for more Blue shades? Browse Blue colors →

Inspiration

Explore Vibrant Images Featuring Sapphire Glitter (#1233dd)

Curated Unsplash photos that carry the mood of Sapphire Glitter — hover any tile to download it or view the original.

Good to know

Frequently Asked Questions about #1233DD

#1233DD is a cool color from the Blue family. Its closest matched name is “Sapphire Glitter”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(18, 51, 221); in HSL, hsl(230, 85%, 47%).
In RGB, #1233DD is rgb(18, 51, 221); in HSL it is hsl(230, 85%, 47%); and in CMYK — the model used for print — it is cmyk(92%, 77%, 0%, 13%).
#1233DD has a contrast ratio of 2.54:1 against black and 8.26:1 against white. For readability, white body text meets the WCAG AA threshold of 4.5:1 on it, while black does not.
The direct complement of #1233DD is #DEBC12 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #1233DD in the palette sections above.