#373747

Color #373747

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 8.9 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 5.4

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Conversions

HEX

#373747

RGB

rgb(55, 55, 71)

HSL

hsl(240, 12.7%, 24.7%)

HSV / HSB

hsv(240, 22.5%, 27.8%)

CMYK

cmyk(22.5%, 22.5%, 0%, 72.2%)

LAB

lab(23.67, 4.06, -9.84)

LCH

lch(23.67, 10.64, 292.42)

OKLCH

oklch(34.4%, 0.0278, 284.79)

HWB

hwb(240, 21.6%, 72.2%)

Harmony colors

Complementary

#474737

Analogous

#373f47

#373747

#3f3747

Triadic

#373747

#473737

#374737

Split-complementary

#373747

#473f37

#3f4737

Tetradic

#373747

#473747

#474737

#374737

Square

#373747

#47373f

#474737

#37473f

Shades

Color #373747 mixed toward black.

#2e2e3b

#25252f

#1b1b23

#121218

#09090c

Tints

Color #373747 mixed toward white.

#53536b

#6f6f8f

#9393ab

#b7b7c7

#dbdbe3

Tones

Color #373747 mixed toward gray.

#383846

#3a3a44

#3b3b43

#3c3c42

#3e3e40

Accessibility

Aa White text on this color

11.67:1

Aa Black text on this color

1.8:1

White text reads better on this background (11.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#373744 · ΔE 1.5

Deuteranopia

#373743 · ΔE 2

Tritanopia

#374140 · ΔE 12.8

Achromatopsia

#383838 · ΔE 9.2

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

Code

CSS

background-color: #373747;

Tailwind (arbitrary value)

bg-[#373747]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#373747 (#373747) is rgb(55, 55, 71) in RGB.

No, #373747 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 #373747, or check how it holds up for accessibility.

Generate a palette → Check contrast