#251231

Color #251231

A moderately saturated very dark purple.

Closest named color Black #000000 · ΔE 25.65 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 8.4

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Conversions

HEX

#251231

RGB

rgb(37, 18, 49)

HSL

hsl(276.8, 46.3%, 13.1%)

HSV / HSB

hsv(276.8, 63.3%, 19.2%)

CMYK

cmyk(24.5%, 63.3%, 0%, 80.8%)

LAB

lab(9.38, 16.94, -16.82)

LCH

lch(9.38, 23.87, 315.2)

OKLCH

oklch(22.6%, 0.0621, 310.62)

HWB

hwb(276.8, 7.1%, 80.8%)

Harmony colors

Complementary

#1e3112

Analogous

#151231

#251231

#31122d

Triadic

#251231

#312512

#123125

Split-complementary

#251231

#2d3112

#123115

Tetradic

#251231

#31121e

#1e3112

#123125

Square

#251231

#311512

#1e3112

#122d31

Shades

Color #251231 mixed toward black.

#1f0f29

#190c21

#120918

#0c0610

#060308

Tints

Color #251231 mixed toward white.

#4e2667

#773a9d

#9c5dc4

#bd93d7

#dec9eb

Tones

Color #251231 mixed toward gray.

#24152e

#24172c

#231a29

#231c27

#221f24

Accessibility

Aa White text on this color

17.36:1

Aa Black text on this color

1.21:1

White text reads better on this background (17.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1e2c · ΔE 11

Deuteranopia

#1f202a · ΔE 13.3

Tritanopia

#242726 · ΔE 19.6

Achromatopsia

#1a1a1a · ΔE 17.9

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

Code

CSS

background-color: #251231;

Tailwind (arbitrary value)

bg-[#251231]

Related colors

Indigo #4b0082

Dark Orchid #9932cc

Dark Violet #9400d3

Blue Violet #8a2be2

Rebecca Purple #663399

Medium Orchid #ba55d3

Frequently asked questions

#251231 (#251231) is rgb(37, 18, 49) in RGB.

No, #251231 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

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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 #251231, or check how it holds up for accessibility.

Generate a palette → Check contrast