#ab0000

Color #ab0000

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 13.04 Nearest Tailwind class red-800 #9f0712 · ΔE 4.4

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

Conversions

HEX

#ab0000

RGB

rgb(171, 0, 0)

HSL

hsl(0, 100%, 33.5%)

HSV / HSB

hsv(0, 100%, 67.1%)

CMYK

cmyk(0%, 100%, 100%, 32.9%)

LAB

lab(35.32, 59.37, 49.64)

LCH

lch(35.32, 77.39, 39.9)

OKLCH

oklch(46.6%, 0.191, 29.24)

HWB

hwb(0, 0%, 32.9%)

Harmony colors

Complementary

#00abab

Analogous

#ab0055

#ab0000

#ab5500

Triadic

#ab0000

#00ab00

#0000ab

Split-complementary

#ab0000

#00ab55

#0055ab

Tetradic

#ab0000

#abab00

#00abab

#0000ab

Square

#ab0000

#55ab00

#00abab

#5500ab

Shades

Color #ab0000 mixed toward black.

#8e0000

#720000

#550000

#390000

#1c0000

Tints

Color #ab0000 mixed toward white.

#e30000

#ff1d1d

#ff5555

#ff8e8e

#ffc6c6

Tones

Color #ab0000 mixed toward gray.

#9d0e0e

#8e1c1c

#802b2b

#723939

#644747

Accessibility

Aa White text on this color

7.69:1

Aa Black text on this color

2.73:1

White text reads better on this background (7.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#848300 · ΔE 47.2

Deuteranopia

#8a9100 · ΔE 52.1

Tritanopia

#a70000 · ΔE 0.8

Achromatopsia

#535353 · ΔE 28.3

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

Code

CSS

background-color: #ab0000;

Tailwind (arbitrary value)

bg-[#ab0000]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#ab0000 (#ab0000) is rgb(171, 0, 0) in RGB.

No, #ab0000 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #ab0000, or check how it holds up for accessibility.

Generate a palette → Check contrast