#373941

Color #373941

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6.73 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 2.4

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Conversions

HEX

#373941

RGB

rgb(55, 57, 65)

HSL

hsl(228, 8.3%, 23.5%)

HSV / HSB

hsv(228, 15.4%, 25.5%)

CMYK

cmyk(15.4%, 12.3%, 0%, 74.5%)

LAB

lab(24.06, 1.12, -5.23)

LCH

lch(24.06, 5.35, 282.09)

OKLCH

oklch(34.6%, 0.0141, 274.46)

HWB

hwb(228, 21.6%, 74.5%)

Harmony colors

Complementary

#413f37

Analogous

#373e41

#373941

#3a3741

Triadic

#373941

#413739

#394137

Split-complementary

#373941

#413a37

#3e4137

Tetradic

#373941

#3f3741

#413f37

#394137

Square

#373941

#41373e

#413f37

#37413a

Shades

Color #373941 mixed toward black.

#2e2f36

#25262b

#1b1c20

#121316

#09090b

Tints

Color #373941 mixed toward white.

#555864

#737787

#9599a6

#b9bbc3

#dcdde1

Tones

Color #373941 mixed toward gray.

#383940

#393a3f

#393a3e

#3a3b3e

#3b3b3d

Accessibility

Aa White text on this color

11.51:1

Aa Black text on this color

1.82:1

White text reads better on this background (11.51:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#38383f · ΔE 1.2

Deuteranopia

#38383f · ΔE 1.2

Tritanopia

#373e3d · ΔE 7.2

Achromatopsia

#393939 · ΔE 4.9

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

Code

CSS

background-color: #373941;

Tailwind (arbitrary value)

bg-[#373941]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#373941 (#373941) is rgb(55, 57, 65) in RGB.

No, #373941 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 #373941, or check how it holds up for accessibility.

Generate a palette → Check contrast