#373d3d

Color #373d3d

A nearly neutral, gray-leaning dark cyan.

Closest named color Charcoal #36454f · ΔE 7.81 Nearest Tailwind class mist-700 #394447 · ΔE 3.3

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Conversions

HEX

#373d3d

RGB

rgb(55, 61, 61)

HSL

hsl(180, 5.2%, 22.7%)

HSV / HSB

hsv(180, 9.8%, 23.9%)

CMYK

cmyk(9.8%, 0%, 0%, 76.1%)

LAB

lab(25.22, -2.51, -0.86)

LCH

lch(25.22, 2.65, 198.91)

OKLCH

oklch(35.4%, 0.008, 196.63)

HWB

hwb(180, 21.6%, 76.1%)

Harmony colors

Complementary

#3d3737

Analogous

#373d3a

#373d3d

#373a3d

Triadic

#373d3d

#3d373d

#3d3d37

Split-complementary

#373d3d

#3d373a

#3d3a37

Tetradic

#373d3d

#37373d

#3d3737

#3d3d37

Square

#373d3d

#3a373d

#3d3737

#3a3d37

Shades

Color #373d3d mixed toward black.

#2e3333

#252929

#1b1e1e

#121414

#090a0a

Tints

Color #373d3d mixed toward white.

#565f5f

#758282

#97a2a2

#bac1c1

#dce0e0

Tones

Color #373d3d mixed toward gray.

#373c3c

#383c3c

#383b3b

#393b3b

#393a3a

Accessibility

Aa White text on this color

11.07:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3a3d · ΔE 4.6

Deuteranopia

#39393d · ΔE 5.1

Tritanopia

#373d3d · ΔE 0

Achromatopsia

#3c3c3c · ΔE 3.6

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

Code

CSS

background-color: #373d3d;

Tailwind (arbitrary value)

bg-[#373d3d]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#373d3d (#373d3d) is rgb(55, 61, 61) in RGB.

No, #373d3d 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 #373d3d, or check how it holds up for accessibility.

Generate a palette → Check contrast