#231b19

Color #231b19

A muted very dark red.

Closest named color Black #000000 · ΔE 11.57 Nearest Tailwind class taupe-900 #1d1816 · ΔE 2.2

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Conversions

HEX

#231b19

RGB

rgb(35, 27, 25)

HSL

hsl(12, 16.7%, 11.8%)

HSV / HSB

hsv(12, 28.6%, 13.7%)

CMYK

cmyk(0%, 22.9%, 28.6%, 86.3%)

LAB

lab(10.64, 3.52, 2.87)

LCH

lch(10.64, 4.54, 39.19)

OKLCH

oklch(23.1%, 0.0133, 34.29)

HWB

hwb(12, 9.8%, 86.3%)

Harmony colors

Complementary

#192123

Analogous

#23191c

#231b19

#232019

Triadic

#231b19

#19231b

#1b1923

Split-complementary

#231b19

#192320

#191c23

Tetradic

#231b19

#212319

#192123

#1b1923

Square

#231b19

#1c2319

#192123

#201923

Shades

Color #231b19 mixed toward black.

#1d1715

#171211

#120e0d

#0c0908

#060504

Tints

Color #231b19 mixed toward white.

#4f3d38

#7b5f58

#a1837c

#c1ada8

#e0d6d3

Tones

Color #231b19 mixed toward gray.

#221c1a

#211c1b

#211d1c

#201d1c

#1f1e1d

Accessibility

Aa White text on this color

16.9:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202019 · ΔE 7.6

Deuteranopia

#20211a · ΔE 8.3

Tritanopia

#231a1a · ΔE 1.6

Achromatopsia

#1d1d1d · ΔE 5.3

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

Code

CSS

background-color: #231b19;

Tailwind (arbitrary value)

bg-[#231b19]

Related colors

Tomato #ff6347

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Light Salmon #ffa07a

Salmon #fa8072

Frequently asked questions

#231b19 (#231b19) is rgb(35, 27, 25) in RGB.

No, #231b19 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 #231b19, or check how it holds up for accessibility.

Generate a palette → Check contrast