#b81e09

Color #b81e09

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 12.63 Nearest Tailwind class red-700 #c10007 · ΔE 2.1

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

Conversions

HEX

#b81e09

RGB

rgb(184, 30, 9)

HSL

hsl(7.2, 90.7%, 37.8%)

HSV / HSB

hsv(7.2, 95.1%, 72.2%)

CMYK

cmyk(0%, 83.7%, 95.1%, 27.8%)

LAB

lab(39.82, 58.2, 50.05)

LCH

lch(39.82, 76.76, 40.69)

OKLCH

oklch(50.4%, 0.1901, 30.96)

HWB

hwb(7.2, 3.5%, 27.8%)

Harmony colors

Complementary

#09a3b8

Analogous

#b8094b

#b81e09

#b87509

Triadic

#b81e09

#09b81e

#1e09b8

Split-complementary

#b81e09

#09b875

#094bb8

Tetradic

#b81e09

#a3b809

#09a3b8

#1e09b8

Square

#b81e09

#4bb809

#09a3b8

#7509b8

Shades

Color #b81e09 mixed toward black.

#991907

#7b1406

#5c0f04

#3d0a03

#1f0501

Tints

Color #b81e09 mixed toward white.

#ea260b

#f54c35

#f87968

#faa69a

#fdd2cd

Tones

Color #b81e09 mixed toward gray.

#a92918

#9b3426

#8c3f35

#7e4a43

#6f5552

Accessibility

Aa White text on this color

6.51:1

Aa Black text on this color

3.23:1

White text reads better on this background (6.51:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#908f10 · ΔE 47.5

Deuteranopia

#969d11 · ΔE 52.2

Tritanopia

#b41415 · ΔE 3.4

Achromatopsia

#5e5e5e · ΔE 28.2

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

Code

CSS

background-color: #b81e09;

Tailwind (arbitrary value)

bg-[#b81e09]

Related colors

Salmon #fa8072

Misty Rose #ffe4e1

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#b81e09 (#b81e09) is rgb(184, 30, 9) in RGB.

No, #b81e09 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.

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 #b81e09, or check how it holds up for accessibility.

Generate a palette → Check contrast