#231b28

Color #231b28

A muted very dark purple.

Closest named color Black #000000 · ΔE 15.2 Nearest Tailwind class mauve-800 #2a212c · ΔE 2.3

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Conversions

HEX

#231b28

RGB

rgb(35, 27, 40)

HSL

hsl(276.9, 19.4%, 13.1%)

HSV / HSB

hsv(276.9, 32.5%, 15.7%)

CMYK

cmyk(12.5%, 32.5%, 0%, 84.3%)

LAB

lab(11.24, 7.12, -7.35)

LCH

lch(11.24, 10.23, 314.09)

OKLCH

oklch(23.8%, 0.027, 312.15)

HWB

hwb(276.9, 10.6%, 84.3%)

Harmony colors

Complementary

#20281b

Analogous

#1c1b28

#231b28

#281b26

Triadic

#231b28

#28231b

#1b2823

Split-complementary

#231b28

#26281b

#1b281c

Tetradic

#231b28

#281b20

#20281b

#1b2823

Square

#231b28

#281c1b

#20281b

#1b2628

Shades

Color #231b28 mixed toward black.

#1d1621

#17121b

#110d14

#0c090d

#060407

Tints

Color #231b28 mixed toward white.

#493954

#705680

#957ba6

#b8a7c3

#dcd3e1

Tones

Color #231b28 mixed toward gray.

#231c27

#221d26

#221e25

#221f24

#222022

Accessibility

Aa White text on this color

16.68:1

Aa Black text on this color

1.26:1

White text reads better on this background (16.68:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#202025 · ΔE 7.2

Deuteranopia

#202125 · ΔE 8.3

Tritanopia

#232322 · ΔE 11

Achromatopsia

#1e1e1e · ΔE 10

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

Code

CSS

background-color: #231b28;

Tailwind (arbitrary value)

bg-[#231b28]

Related colors

Indigo #4b0082

Dark Orchid #9932cc

Dark Violet #9400d3

Blue Violet #8a2be2

Rebecca Purple #663399

Medium Orchid #ba55d3

Frequently asked questions

#231b28 (#231b28) is rgb(35, 27, 40) in RGB.

No, #231b28 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 #231b28, or check how it holds up for accessibility.

Generate a palette → Check contrast