#21030a

Color #21030a

A vivid, highly saturated very dark red.

Closest named color Black #000000 · ΔE 13.9 Nearest Tailwind class mauve-900 #1d161e · ΔE 9.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#21030a

RGB

rgb(33, 3, 10)

HSL

hsl(346, 83.3%, 7.1%)

HSV / HSB

hsv(346, 90.9%, 12.9%)

CMYK

cmyk(0%, 90.9%, 69.7%, 87.1%)

LAB

lab(3.71, 13.29, 1.69)

LCH

lch(3.71, 13.4, 7.25)

OKLCH

oklch(16.7%, 0.0551, 8.35)

HWB

hwb(346, 1.2%, 87.1%)

Harmony colors

Complementary

#03211a

Analogous

#210319

#21030a

#210b03

Triadic

#21030a

#0a2103

#030a21

Split-complementary

#21030a

#03210b

#031921

Tetradic

#21030a

#211a03

#03211a

#030a21

Square

#21030a

#192103

#03211a

#0b0321

Shades

Color #21030a mixed toward black.

#1c0308

#160207

#110205

#0b0103

#060102

Tints

Color #21030a mixed toward white.

#6a0a20

#b21036

#eb2654

#f26e8d

#f8b7c6

Tones

Color #21030a mixed toward gray.

#1f060b

#1c080d

#1a0b0e

#170d0f

#151011

Accessibility

Aa White text on this color

19.41:1

Aa Black text on this color

1.08:1

White text reads better on this background (19.41:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#181808 · ΔE 21.2

Deuteranopia

#191b08 · ΔE 24

Tritanopia

#200707 · ΔE 2.8

Achromatopsia

#0d0d0d · ΔE 13.8

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

Code

CSS

background-color: #21030a;

Tailwind (arbitrary value)

bg-[#21030a]

Related colors

Crimson #dc143c

Pink #ffc0cb

Light Pink #ffb6c1

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#21030a (#21030a) is rgb(33, 3, 10) in RGB.

No, #21030a 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.

Try it → Accessibility

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 #21030a, or check how it holds up for accessibility.

Generate a palette → Check contrast