#373a40

Color #373a40

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6.54 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 2.8

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Conversions

HEX

#373a40

RGB

rgb(55, 58, 64)

HSL

hsl(220, 7.6%, 23.3%)

HSV / HSB

hsv(220, 14.1%, 25.1%)

CMYK

cmyk(14.1%, 9.4%, 0%, 74.9%)

LAB

lab(24.35, 0.2, -4.14)

LCH

lch(24.35, 4.14, 272.77)

OKLCH

oklch(34.8%, 0.0113, 264.39)

HWB

hwb(220, 21.6%, 74.9%)

Harmony colors

Complementary

#403d37

Analogous

#373e40

#373a40

#383740

Triadic

#373a40

#40373a

#3a4037

Split-complementary

#373a40

#403837

#3e4037

Tetradic

#373a40

#3d3740

#403d37

#3a4037

Square

#373a40

#40373e

#403d37

#374038

Shades

Color #373a40 mixed toward black.

#2e3035

#25272b

#1b1d20

#121315

#090a0b

Tints

Color #373a40 mixed toward white.

#555a63

#737986

#969ba5

#b9bcc3

#dcdee1

Tones

Color #373a40 mixed toward gray.

#383a3f

#383a3e

#393b3e

#3a3b3d

#3b3b3c

Accessibility

Aa White text on this color

11.4:1

Aa Black text on this color

1.84:1

White text reads better on this background (11.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#38383f · ΔE 2.2

Deuteranopia

#38383e · ΔE 1.9

Tritanopia

#373d3d · ΔE 4.8

Achromatopsia

#3a3a3a · ΔE 3.8

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

Code

CSS

background-color: #373a40;

Tailwind (arbitrary value)

bg-[#373a40]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#373a40 (#373a40) is rgb(55, 58, 64) in RGB.

No, #373a40 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 #373a40, or check how it holds up for accessibility.

Generate a palette → Check contrast