#21003b

Color #21003b

A vivid, highly saturated very dark purple.

Closest named color Midnight Blue #191970 · ΔE 22.2 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 7.8

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Conversions

HEX

#21003b

RGB

rgb(33, 0, 59)

HSL

hsl(273.6, 100%, 11.6%)

HSV / HSB

hsv(273.6, 100%, 23.1%)

CMYK

cmyk(44.1%, 100%, 0%, 76.9%)

LAB

lab(5.77, 29.19, -29.96)

LCH

lch(5.77, 41.83, 314.25)

OKLCH

oklch(20%, 0.1045, 303.84)

HWB

hwb(273.6, 0%, 76.9%)

Harmony colors

Complementary

#1a3b00

Analogous

#04003b

#21003b

#3b0038

Triadic

#21003b

#3b2100

#003b21

Split-complementary

#21003b

#383b00

#003b04

Tetradic

#21003b

#3b001a

#1a3b00

#003b21

Square

#21003b

#3b0400

#1a3b00

#00383b

Shades

Color #21003b mixed toward black.

#1c0031

#160027

#11001e

#0b0014

#06000a

Tints

Color #21003b mixed toward white.

#4b0086

#7500d1

#9c1eff

#bd69ff

#deb4ff

Tones

Color #21003b mixed toward gray.

#210536

#200a31

#1f0f2c

#1f1427

#1e1923

Accessibility

Aa White text on this color

18.62:1

Aa Black text on this color

1.13:1

White text reads better on this background (18.62:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#171733 · ΔE 10.6

Deuteranopia

#191b31 · ΔE 13

Tritanopia

#202c2a · ΔE 24.2

Achromatopsia

#131313 · ΔE 23

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

Code

CSS

background-color: #21003b;

Tailwind (arbitrary value)

bg-[#21003b]

Related colors

Indigo #4b0082

Blue Violet #8a2be2

Rebecca Purple #663399

Dark Orchid #9932cc

Dark Violet #9400d3

Medium Purple #9370db

Frequently asked questions

#21003b (#21003b) is rgb(33, 0, 59) in RGB.

No, #21003b 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 #21003b, or check how it holds up for accessibility.

Generate a palette → Check contrast