#b5220b

Color #b5220b

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 11.31 Nearest Tailwind class red-700 #c10007 · ΔE 2.6

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

Conversions

HEX

#b5220b

RGB

rgb(181, 34, 11)

HSL

hsl(8.1, 88.5%, 37.6%)

HSV / HSB

hsv(8.1, 93.9%, 71%)

CMYK

cmyk(0%, 81.2%, 93.9%, 29%)

LAB

lab(39.57, 56.32, 48.94)

LCH

lch(39.57, 74.61, 40.99)

OKLCH

oklch(50.1%, 0.1849, 31.46)

HWB

hwb(8.1, 4.3%, 29%)

Harmony colors

Complementary

#0b9eb5

Analogous

#b50b49

#b5220b

#b5770b

Triadic

#b5220b

#0bb522

#220bb5

Split-complementary

#b5220b

#0bb577

#0b49b5

Tetradic

#b5220b

#9eb50b

#0b9eb5

#220bb5

Square

#b5220b

#49b50b

#0b9eb5

#770bb5

Shades

Color #b5220b mixed toward black.

#971c09

#781707

#5a1106

#3c0b04

#1e0602

Tints

Color #b5220b mixed toward white.

#e72b0e

#f35037

#f67c69

#f9a89b

#fcd3cd

Tones

Color #b5220b mixed toward gray.

#a72c19

#983727

#8a4135

#7c4b44

#6e5652

Accessibility

Aa White text on this color

6.57:1

Aa Black text on this color

3.2:1

White text reads better on this background (6.57:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8e8d13 · ΔE 46.5

Deuteranopia

#949b14 · ΔE 51.3

Tritanopia

#b11718 · ΔE 4.1

Achromatopsia

#5d5d5d · ΔE 27.9

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

Code

CSS

background-color: #b5220b;

Tailwind (arbitrary value)

bg-[#b5220b]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Coral #ff7f50

Red #ff0000

Frequently asked questions

#b5220b (#b5220b) is rgb(181, 34, 11) in RGB.

No, #b5220b 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #b5220b, or check how it holds up for accessibility.

Generate a palette → Check contrast