#37383c

Color #37383c

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 8.12 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 3.2

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#37383c

RGB

rgb(55, 56, 60)

HSL

hsl(228, 4.3%, 22.5%)

HSV / HSB

hsv(228, 8.3%, 23.5%)

CMYK

cmyk(8.3%, 6.7%, 0%, 76.5%)

LAB

lab(23.56, 0.52, -2.63)

LCH

lch(23.56, 2.68, 281.18)

OKLCH

oklch(34.1%, 0.0071, 274.83)

HWB

hwb(228, 21.6%, 76.5%)

Harmony colors

Complementary

#3c3b37

Analogous

#373a3c

#37383c

#38373c

Triadic

#37383c

#3c3738

#383c37

Split-complementary

#37383c

#3c3837

#3a3c37

Tetradic

#37383c

#3b373c

#3c3b37

#383c37

Square

#37383c

#3c373a

#3c3b37

#373c38

Shades

Color #37383c mixed toward black.

#2e2f32

#252528

#1b1c1e

#121314

#09090a

Tints

Color #37383c mixed toward white.

#56585e

#767881

#989aa0

#babbc0

#dddddf

Tones

Color #37383c mixed toward gray.

#37383b

#38383b

#38393b

#39393a

Accessibility

Aa White text on this color

11.71:1

Aa Black text on this color

1.79:1

White text reads better on this background (11.71:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#37373b · ΔE 0.7

Deuteranopia

#37373b · ΔE 0.7

Tritanopia

#373a3a · ΔE 3.3

Achromatopsia

#383838 · ΔE 2.6

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

Code

CSS

background-color: #37383c;

Tailwind (arbitrary value)

bg-[#37383c]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#37383c (#37383c) is rgb(55, 56, 60) in RGB.

No, #37383c 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.

Try it → Accessibility

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 #37383c, or check how it holds up for accessibility.

Generate a palette → Check contrast