#643131

Color #643131

A muted dark red.

Closest named color Dim Gray #696969 · ΔE 30.58 Nearest Tailwind class red-900 #82181a · ΔE 10.3

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Conversions

HEX

#643131

RGB

rgb(100, 49, 49)

HSL

hsl(0, 34.2%, 29.2%)

HSV / HSB

hsv(0, 51%, 39.2%)

CMYK

cmyk(0%, 51%, 51%, 60.8%)

LAB

lab(27.1, 22.9, 10.53)

LCH

lch(27.1, 25.2, 24.69)

OKLCH

oklch(38%, 0.0737, 21.17)

HWB

hwb(0, 19.2%, 60.8%)

Harmony colors

Complementary

#316464

Analogous

#64314a

#643131

#644a31

Triadic

#643131

#316431

#313164

Split-complementary

#643131

#31644a

#314a64

Tetradic

#643131

#646431

#316464

#313164

Square

#643131

#4a6431

#316464

#4a3164

Shades

Color #643131 mixed toward black.

#532929

#432121

#321818

#211010

#110808

Tints

Color #643131 mixed toward white.

#8c4545

#b05d5d

#c48686

#d7aeae

#ebd7d7

Tones

Color #643131 mixed toward gray.

#603535

#5b3939

#573e3e

#534242

#4f4646

Accessibility

Aa White text on this color

10.37:1

Aa Black text on this color

2.03:1

White text reads better on this background (10.37:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#535231 · ΔE 28.7

Deuteranopia

#555831 · ΔE 31.2

Tritanopia

#623131 · ΔE 0.5

Achromatopsia

#404040 · ΔE 19.6

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

Code

CSS

background-color: #643131;

Tailwind (arbitrary value)

bg-[#643131]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#643131 (#643131) is rgb(100, 49, 49) in RGB.

No, #643131 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 #643131, or check how it holds up for accessibility.

Generate a palette → Check contrast