Closest web-safe match: #3366CC

Color Details and Palettes for #256FD5

Details about the color Fading Night#256FD5

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

Azure family Cool WCAG ink: white
HEX #256FD5 RGB rgb(37, 111, 213) HSL hsl(215, 70%, 49%) CMYK cmyk(83%, 48%, 0%, 16%)

Color profile

About Color Hex #256FD5

#256FD5 is a cool color from the Azure family, closest in name to “Fading Night”. In RGB it is rgb(37, 111, 213); in HSL, hsl(215, 70%, 49%).

The color Fading Night, with hexadecimal code #256fd5, 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 70% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. With a mid-range lightness of 49%, 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 37, 111, 213 red · green · blue HSL 215° 70% 49% hue · sat · light HSV 215° 83% 84% design-app pickers CMYK 83 48 0 16 print inks, % Luminance 0.166 0 dark → 1 light On black 4.31:1 ✕ AA contrast ratio On white 4.87:1 ✓ AA contrast ratio Web-safe #3366CC closest web-safe Best text white ideal foreground Character Vivid cool · azure family

The story of this color

History, Usage, Psychology & Design Ideas for #256FD5

Fading Night (#256FD5) belongs to the Azure 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

Azure derives from the Arabic lazaward, referring to the lapis lazuli stone that yielded ultramarine pigment—once more costly per ounce than gold. Medieval European painters reserved ultramarine for the most sacred subjects, particularly the Virgin Mary's robes. The word azure also entered heraldry as the term for blue fields on coats of arms, symbolizing loyalty and truth.

Design & Usage Tips

Azure strikes a balance between the brightness of cyan and the depth of blue, making it a versatile choice for technology, aviation, and financial brands (Microsoft Azure is a prominent example). Pair azure with white for authority and clarity, or with light gold for a regal combination.

Sitting on the cool side of the spectrum (hue 215°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 70% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Azure evokes trust, aspiration, and openness—like a clear sky. It feels less corporate than navy and more refined than bright blue, hitting a sweet spot for brands that want to appear both professional and approachable.

With a mid-range lightness of 49%, 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

Use azure as the primary brand color with charcoal text for a clean SaaS identity. Create split-screen layouts with an azure panel on one side and white on the other for impactful above-the-fold sections. In icon design, azure provides excellent visibility against both light and dark backgrounds.

Every format

#256FD5 Color Conversions

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

12 formats
HEX Web
#256FD5

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(37, 111, 213)

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(215, 70%, 49%)

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(215, 83%, 84%)

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(215 15% 16%)

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(83%, 48%, 0%, 16%)

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(55.37% 0.173 257.80)

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

OKLab Modern
oklab(55.37% -0.037 -0.169)

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: 47.71, a: 14.94, b: -58.71

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

LCH Perceptual
L: 47.71, C: 60.58, H: 284.27

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

XYZ CIE Science
X: 18.46, Y: 16.57, Z: 65.18

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
2453461

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 #256FD5

How much red, green and blue light mixes into Fading Night.

Red 37/255 10.3% Green 111/255 30.8% Blue 213/255 59.0%

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

Ink coverage

CMYK Ink Levels & Print Guide for #256FD5

Ink needed to reproduce Fading Night in four-color print. Heaviest ink: Cyan.

83% CYAN 48% MAGENTA 0% YELLOW 16% 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 #256FD5

How bright Fading Night is, and how far black and white text clear each WCAG bar.

Relative luminance 0.166
0 · dark1 · light

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

Aa Black text 4.31:1 ✕ AA ✕ AAA ✓ Large
Aa White text 4.87:1 ✓ AA ✕ AAA ✓ Large

Developer shortcuts

Quick CSS Snippets for #256FD5

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

fading-night.css
background-color: #256FD5;
color: #256FD5;
border: 2px solid #256FD5;
background-color: rgb(37, 111, 213);
background-color: hsl(215, 70%, 49%);
--color: #256FD5;

Shades · light to dark

#256FD5 Monochrome Palette

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

#E9F1FB
#C9DBF5
#A8C5EE
#87B0E8
#669AE2
#4685DB
#256FD5
#1F5EB5
#1A4E95
#143D75
#0F2C55
#091C35
#040B15

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

Harmony · 180° apart

#256FD5 Complementary Palette

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

#256FD5
#D48C25

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

Harmony · adjacent hues

#256FD5 Analogic Palette

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

#256FD5
#3425D4
#25C6D4
#8C25D4
#25D48C
#D425C6
#25D434

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

Harmony · 120° apart

#256FD5 Triadic Palette

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

#256FD5
#D4256E
#6ED425

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

Harmony · 90° apart

#256FD5 Quad Palette

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

#256FD5
#D425C6
#D48C25
#25D434

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

Accessibility

Color Blindness Simulation for #256FD5

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

#256FD5
#413BB6
#4546BC
#29A9A5
#676767
Normal vision full color Deuteranopia green weakness ✕ Not friendly Protanopia red weakness ✕ Not 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 #256FD5

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

#D48C25
#3425D4
#D4256E
#D425C6
Complementary opposite hue Analogous adjacent hue Triadic 120° apart Tetradic (Quad) 90° apart

Perceptually nearby

#256FD5 Nearby Colors

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

Skies of Cyberspace#4477EE
Matt Blue#0066CC
Skinny Jeans#5588FF
Blasphemous Blue#0055BB
Fading Night#0077DD
Serenity’s Reign#4477CC
Savoy Blue#5566CC
Venus Violet#7766CC

From the color-name library

Colors Similar to #256FD5

The closest named colors to #256FD5 — same mood, each with its own character.

Fading Night#3377CC
Matt Blue#2C6FBB
Campanula#3473B7
Skies of Cyberspace#4477DD
Epic Blue#0066EE
Sail On#4575AD
Deep Sky Blue#0D75F8
Mykonos#387ABE
Royal Blue#4169E1
Bluetiful#3C69E7
Soothing Sapphire#307DD3
Serenity’s Reign#507BCE

Looking for more Blue shades? Browse Blue colors →

Inspiration

Explore Vibrant Images Featuring Fading Night (#256fd5)

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

Good to know

Frequently Asked Questions about #256FD5

#256FD5 is a cool color from the Azure family. Its closest matched name is “Fading Night”, matched perceptually with the CIEDE2000 color-difference formula. In RGB it is rgb(37, 111, 213); in HSL, hsl(215, 70%, 49%).
In RGB, #256FD5 is rgb(37, 111, 213); in HSL it is hsl(215, 70%, 49%); and in CMYK — the model used for print — it is cmyk(83%, 48%, 0%, 16%).
#256FD5 has a contrast ratio of 4.31:1 against black and 4.87:1 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 #256FD5 is #D48C25 (opposite on the color wheel). For ready-made combinations, this page includes monochrome, analogous, triadic and tetradic palettes built from #256FD5 in the palette sections above.