#180a21

Color #180a21

A moderately saturated very dark purple.

Closest named color Black #000000 · ΔE 17 Nearest Tailwind class mauve-900 #1d161e · ΔE 7.2

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Conversions

HEX

#180a21

RGB

rgb(24, 10, 33)

HSL

hsl(276.5, 53.5%, 8.4%)

HSV / HSB

hsv(276.5, 69.7%, 12.9%)

CMYK

cmyk(27.3%, 69.7%, 0%, 87.1%)

LAB

lab(4.71, 10.83, -12.23)

LCH

lch(4.71, 16.34, 311.53)

OKLCH

oklch(17.9%, 0.0488, 310.51)

HWB

hwb(276.5, 3.9%, 87.1%)

Harmony colors

Complementary

#13210a

Analogous

#0c0a21

#180a21

#210a1e

Triadic

#180a21

#21180a

#0a2118

Split-complementary

#180a21

#1e210a

#0a210c

Tetradic

#180a21

#210a13

#13210a

#0a2118

Square

#180a21

#210c0a

#13210a

#0a1e21

Shades

Color #180a21 mixed toward black.

#14081b

#100716

#0c0510

#08030b

#040205

Tints

Color #180a21 mixed toward white.

#431c5d

#6f2e98

#984cc9

#ba87db

#ddc3ed

Tones

Color #180a21 mixed toward gray.

#170c1f

#170e1d

#17101b

#161219

#161417

Accessibility

Aa White text on this color

19.02:1

Aa Black text on this color

1.1:1

White text reads better on this background (19.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#13131d · ΔE 8.6

Deuteranopia

#14151c · ΔE 10.5

Tritanopia

#171919 · ΔE 15.1

Achromatopsia

#101010 · ΔE 13.9

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

Code

CSS

background-color: #180a21;

Tailwind (arbitrary value)

bg-[#180a21]

Related colors

Indigo #4b0082

Dark Orchid #9932cc

Blue Violet #8a2be2

Dark Violet #9400d3

Rebecca Purple #663399

Medium Orchid #ba55d3

Frequently asked questions

#180a21 (#180a21) is rgb(24, 10, 33) in RGB.

No, #180a21 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 #180a21, or check how it holds up for accessibility.

Generate a palette → Check contrast