#37404e

Color #37404e

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 4.04 Nearest Tailwind class gray-700 #364153 · ΔE 1.8

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Conversions

HEX

#37404e

RGB

rgb(55, 64, 78)

HSL

hsl(216.5, 17.3%, 26.1%)

HSV / HSB

hsv(216.5, 29.5%, 30.6%)

CMYK

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

LAB

lab(26.82, 0.05, -9.68)

LCH

lch(26.82, 9.68, 270.3)

OKLCH

oklch(36.9%, 0.027, 259.11)

HWB

hwb(216.5, 21.6%, 69.4%)

Harmony colors

Complementary

#4e4537

Analogous

#374c4e

#37404e

#3a374e

Triadic

#37404e

#4e3740

#404e37

Split-complementary

#37404e

#4e3a37

#4c4e37

Tetradic

#37404e

#45374e

#4e4537

#404e37

Square

#37404e

#4e374c

#4e4537

#374e3a

Shades

Color #37404e mixed toward black.

#2e3541

#252b34

#1c2027

#12151a

#090b0d

Tints

Color #37404e mixed toward white.

#515e73

#6c7d97

#909db1

#b5becb

#dadee5

Tones

Color #37404e mixed toward gray.

#39404c

#3b414a

#3d4148

#3f4246

#414244

Accessibility

Aa White text on this color

10.47:1

Aa Black text on this color

2.01:1

White text reads better on this background (10.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3b3b4b · ΔE 5.4

Deuteranopia

#3b3a4a · ΔE 6

Tritanopia

#374848 · ΔE 10.3

Achromatopsia

#3f3f3f · ΔE 8

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

Code

CSS

background-color: #37404e;

Tailwind (arbitrary value)

bg-[#37404e]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#37404e (#37404e) is rgb(55, 64, 78) in RGB.

No, #37404e 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 #37404e, or check how it holds up for accessibility.

Generate a palette → Check contrast