#555e6e

Color #555e6e

A nearly neutral, gray-leaning dark blue.

Closest named color Dim Gray #696969 · ΔE 11.29 Nearest Tailwind class gray-600 #4a5565 · ΔE 3.5

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

Conversions

HEX

#555e6e

RGB

rgb(85, 94, 110)

HSL

hsl(218.4, 12.8%, 38.2%)

HSV / HSB

hsv(218.4, 22.7%, 43.1%)

CMYK

cmyk(22.7%, 14.5%, 0%, 56.9%)

LAB

lab(39.69, 0.37, -10.25)

LCH

lch(39.69, 10.26, 272.07)

OKLCH

oklch(48%, 0.0282, 262.04)

HWB

hwb(218.4, 33.3%, 56.9%)

Harmony colors

Complementary

#6e6555

Analogous

#556a6e

#555e6e

#58556e

Triadic

#555e6e

#6e555e

#5e6e55

Split-complementary

#555e6e

#6e5855

#6a6e55

Tetradic

#555e6e

#65556e

#6e6555

#5e6e55

Square

#555e6e

#6e556a

#6e6555

#556e58

Shades

Color #555e6e mixed toward black.

#474e5c

#393f49

#2a2f37

#1c1f25

#0e1012

Tints

Color #555e6e mixed toward white.

#6c778c

#8892a3

#a6adba

#c4c9d1

#e1e4e8

Tones

Color #555e6e mixed toward gray.

#575f6c

#595f6a

#5b6068

#5d6066

#5f6163

Accessibility

Aa White text on this color

6.54:1

Aa Black text on this color

3.21:1

White text reads better on this background (6.54:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#59596a · ΔE 5

Deuteranopia

#59586a · ΔE 5.7

Tritanopia

#556767 · ΔE 10.9

Achromatopsia

#5d5d5d · ΔE 8.3

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

Code

CSS

background-color: #555e6e;

Tailwind (arbitrary value)

bg-[#555e6e]

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

#555e6e (#555e6e) is rgb(85, 94, 110) in RGB.

No, #555e6e 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 #555e6e, or check how it holds up for accessibility.

Generate a palette → Check contrast