#373c40

Color #373c40

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6.24 Nearest Tailwind class neutral-700 #404040 · ΔE 3.7

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Conversions

HEX

#373c40

RGB

rgb(55, 60, 64)

HSL

hsl(206.7, 7.6%, 23.3%)

HSV / HSB

hsv(206.7, 14.1%, 25.1%)

CMYK

cmyk(14.1%, 6.2%, 0%, 74.9%)

LAB

lab(25, -1.11, -3.18)

LCH

lch(25, 3.37, 250.76)

OKLCH

oklch(35.3%, 0.0098, 241.86)

HWB

hwb(206.7, 21.6%, 74.9%)

Harmony colors

Complementary

#403b37

Analogous

#37403f

#373c40

#373740

Triadic

#373c40

#40373c

#3c4037

Split-complementary

#373c40

#403737

#403f37

Tetradic

#373c40

#3b3740

#403b37

#3c4037

Square

#373c40

#3f3740

#403b37

#374037

Shades

Color #373c40 mixed toward black.

#2e3235

#25282b

#1b1e20

#121415

#090a0b

Tints

Color #373c40 mixed toward white.

#555d63

#737e86

#969ea5

#b9bec3

#dcdfe1

Tones

Color #373c40 mixed toward gray.

#383c3f

#383c3e

#393c3e

#3a3c3d

#3b3b3c

Accessibility

Aa White text on this color

11.15:1

Aa Black text on this color

1.88:1

White text reads better on this background (11.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#39393f · ΔE 3.7

Deuteranopia

#39393f · ΔE 3.7

Tritanopia

#373e3e · ΔE 3.2

Achromatopsia

#3b3b3b · ΔE 3.3

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

Code

CSS

background-color: #373c40;

Tailwind (arbitrary value)

bg-[#373c40]

Related colors

Steel Blue #4682b4

Alice Blue #f0f8ff

Charcoal #36454f

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Frequently asked questions

#373c40 (#373c40) is rgb(55, 60, 64) in RGB.

No, #373c40 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.

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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 #373c40, or check how it holds up for accessibility.

Generate a palette → Check contrast