#255abc

Color #255abc

A moderately saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 13.8 Nearest Tailwind class blue-600 #155dfc · ΔE 8.1

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

Conversions

HEX

#255abc

RGB

rgb(37, 90, 188)

HSL

hsl(218.9, 67.1%, 44.1%)

HSV / HSB

hsv(218.9, 80.3%, 73.7%)

CMYK

cmyk(80.3%, 52.1%, 0%, 26.3%)

LAB

lab(40.14, 18.85, -56.52)

LCH

lch(40.14, 59.58, 288.44)

OKLCH

oklch(49%, 0.1648, 261.34)

HWB

hwb(218.9, 14.5%, 26.3%)

Harmony colors

Complementary

#bc8725

Analogous

#25a6bc

#255abc

#3b25bc

Triadic

#255abc

#bc255a

#5abc25

Split-complementary

#255abc

#bc3b25

#a6bc25

Tetradic

#255abc

#8725bc

#bc8725

#5abc25

Square

#255abc

#bc25a6

#bc8725

#25bc3b

Shades

Color #255abc mixed toward black.

#1f4b9d

#193c7d

#122d5e

#0c1e3f

#060f1f

Tints

Color #255abc mixed toward white.

#3971d8

#608de0

#88aae8

#b0c6ef

#d7e3f7

Tones

Color #255abc mixed toward gray.

#325eaf

#3e62a3

#4b6596

#57698a

#646d7d

Accessibility

Aa White text on this color

6.43:1

Aa Black text on this color

3.27:1

White text reads better on this background (6.43:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4243ab · ΔE 9.6

Deuteranopia

#3f3ba6 · ΔE 11.7

Tritanopia

#2a9b98 · ΔE 36

Achromatopsia

#5f5f5f · ΔE 25.5

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

Code

CSS

background-color: #255abc;

Tailwind (arbitrary value)

bg-[#255abc]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#255abc (#255abc) is rgb(37, 90, 188) in RGB.

No, #255abc is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #255abc, or check how it holds up for accessibility.

Generate a palette → Check contrast