#31565b

Color #31565b

A muted dark cyan.

Closest named color Dark Slate Gray #2f4f4f · ΔE 4.38 Nearest Tailwind class mist-600 #4b585b · ΔE 7.6

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Conversions

HEX

#31565b

RGB

rgb(49, 86, 91)

HSL

hsl(187.1, 30%, 27.5%)

HSV / HSB

hsv(187.1, 46.2%, 35.7%)

CMYK

cmyk(46.2%, 5.5%, 0%, 64.3%)

LAB

lab(34.11, -11.73, -7.05)

LCH

lch(34.11, 13.69, 211.01)

OKLCH

oklch(42.8%, 0.0431, 206.74)

HWB

hwb(187.1, 19.2%, 64.3%)

Harmony colors

Complementary

#5b3631

Analogous

#315b4b

#31565b

#31415b

Triadic

#31565b

#5b3156

#565b31

Split-complementary

#31565b

#5b3141

#5b4b31

Tetradic

#31565b

#36315b

#5b3631

#565b31

Square

#31565b

#4b315b

#5b3631

#415b31

Shades

Color #31565b mixed toward black.

#29484c

#21393d

#192b2e

#101d1e

#080e0f

Tints

Color #31565b mixed toward white.

#477c83

#5fa0a9

#87b8be

#afcfd4

#d7e7e9

Tones

Color #31565b mixed toward gray.

#355458

#385154

#3c4e51

#3f4b4d

#43494a

Accessibility

Aa White text on this color

8.04:1

Aa Black text on this color

2.61:1

White text reads better on this background (8.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#44445a · ΔE 19.5

Deuteranopia

#423f5a · ΔE 22

Tritanopia

#345959 · ΔE 2.8

Achromatopsia

#505050 · ΔE 13.3

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

Code

CSS

background-color: #31565b;

Tailwind (arbitrary value)

bg-[#31565b]

Related colors

Powder Blue #b0e0e6

Cadet Blue #5f9ea0

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Frequently asked questions

#31565b (#31565b) is rgb(49, 86, 91) in RGB.

No, #31565b 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.

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Contrast Checker

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

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Palette Generator

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

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Build something with this color

Generate a full palette from #31565b, or check how it holds up for accessibility.

Generate a palette → Check contrast