#374151

Color #374151

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 4.76 Nearest Tailwind class gray-700 #364153 · ΔE 0.9

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Conversions

HEX

#374151

RGB

rgb(55, 65, 81)

HSL

hsl(216.9, 19.1%, 26.7%)

HSV / HSB

hsv(216.9, 32.1%, 31.8%)

CMYK

cmyk(32.1%, 19.8%, 0%, 68.2%)

LAB

lab(27.26, 0.26, -10.97)

LCH

lch(27.26, 10.97, 271.36)

OKLCH

oklch(37.3%, 0.0306, 259.64)

HWB

hwb(216.9, 21.6%, 68.2%)

Harmony colors

Complementary

#514737

Analogous

#374e51

#374151

#3a3751

Triadic

#374151

#513741

#415137

Split-complementary

#374151

#513a37

#4e5137

Tetradic

#374151

#473751

#514737

#415137

Square

#374151

#51374e

#514737

#37513a

Shades

Color #374151 mixed toward black.

#2e3644

#252b36

#1c2129

#12161b

#090b0e

Tints

Color #374151 mixed toward white.

#505f76

#6b7d9a

#909db3

#b5becd

#dadee6

Tones

Color #374151 mixed toward gray.

#39424f

#3b424d

#3e434b

#404348

#424446

Accessibility

Aa White text on this color

10.31:1

Aa Black text on this color

2.04:1

White text reads better on this background (10.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c4d · ΔE 5.6

Deuteranopia

#3b3a4d · ΔE 6.6

Tritanopia

#384b4a · ΔE 12

Achromatopsia

#404040 · ΔE 8.8

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

Code

CSS

background-color: #374151;

Tailwind (arbitrary value)

bg-[#374151]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#374151 (#374151) is rgb(55, 65, 81) in RGB.

No, #374151 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 #374151, or check how it holds up for accessibility.

Generate a palette → Check contrast