#255cd8

Color #255cd8

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 6.3 Nearest Tailwind class blue-600 #155dfc · ΔE 4.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#255cd8

RGB

rgb(37, 92, 216)

HSL

hsl(221.6, 70.8%, 49.6%)

HSV / HSB

hsv(221.6, 82.9%, 84.7%)

CMYK

cmyk(82.9%, 57.4%, 0%, 15.3%)

LAB

lab(42.77, 28.29, -68.42)

LCH

lch(42.77, 74.04, 292.46)

OKLCH

oklch(51.7%, 0.1992, 263.17)

HWB

hwb(221.6, 14.5%, 15.3%)

Harmony colors

Complementary

#d8a125

Analogous

#25b5d8

#255cd8

#4825d8

Triadic

#255cd8

#d8255c

#5cd825

Split-complementary

#255cd8

#d84825

#b5d825

Tetradic

#255cd8

#a125d8

#d8a125

#5cd825

Square

#255cd8

#d825b5

#d8a125

#25d848

Shades

Color #255cd8 mixed toward black.

#1f4db4

#193d90

#122e6c

#0c1f48

#060f24

Tints

Color #255cd8 mixed toward white.

#4877e0

#6d92e6

#91adec

#b6c8f2

#dae4f9

Tones

Color #255cd8 mixed toward gray.

#3462c9

#4367ba

#526dab

#61739c

#70798d

Accessibility

Aa White text on this color

5.83:1

Aa Black text on this color

3.6:1

White text reads better on this background (5.83:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4344c3 · ΔE 8.9

Deuteranopia

#403cbe · ΔE 11

Tritanopia

#2ab0ac · ΔE 40.9

Achromatopsia

#656565 · ΔE 27.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #255cd8;

Tailwind (arbitrary value)

bg-[#255cd8]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#255cd8 (#255cd8) is rgb(37, 92, 216) in RGB.

No, #255cd8 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #255cd8, or check how it holds up for accessibility.

Generate a palette → Check contrast