#374e40

Color #374e40

A muted dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.21 Nearest Tailwind class teal-900 #0b4f4a · ΔE 8.8

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Conversions

HEX

#374e40

RGB

rgb(55, 78, 64)

HSL

hsl(143.5, 17.3%, 26.1%)

HSV / HSB

hsv(143.5, 29.5%, 30.6%)

CMYK

cmyk(29.5%, 0%, 17.9%, 69.4%)

LAB

lab(30.95, -12.26, 5.47)

LCH

lch(30.95, 13.42, 155.96)

OKLCH

oklch(40%, 0.0369, 157.54)

HWB

hwb(143.5, 21.6%, 69.4%)

Harmony colors

Complementary

#4e3745

Analogous

#3a4e37

#374e40

#374e4c

Triadic

#374e40

#40374e

#4e4037

Split-complementary

#374e40

#4c374e

#4e373a

Tetradic

#374e40

#37454e

#4e3745

#4e4037

Square

#374e40

#373a4e

#4e3745

#4e4c37

Shades

Color #374e40 mixed toward black.

#2e4135

#25342b

#1c2720

#121a15

#090d0b

Tints

Color #374e40 mixed toward white.

#51735e

#6c977d

#90b19d

#b5cbbe

#dae5de

Tones

Color #374e40 mixed toward gray.

#394c40

#3b4a41

#3d4841

#3f4642

#414442

Accessibility

Aa White text on this color

9.03:1

Aa Black text on this color

2.33:1

White text reads better on this background (9.03:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#424244 · ΔE 14.5

Deuteranopia

#413f45 · ΔE 17.5

Tritanopia

#384647 · ΔE 9.2

Achromatopsia

#494949 · ΔE 13.4

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

Code

CSS

background-color: #374e40;

Tailwind (arbitrary value)

bg-[#374e40]

Related colors

Sea Green #2e8b57

Medium Sea Green #3cb371

Spring Green #00ff7f

Mint Cream #f5fffa

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Frequently asked questions

#374e40 (#374e40) is rgb(55, 78, 64) in RGB.

No, #374e40 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 #374e40, or check how it holds up for accessibility.

Generate a palette → Check contrast