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Firebrick Color

#b22222

Firebrick Color

Reds

A dark brick red named after firebrick, the heat-resistant brick used to line fireplaces and kilns.

Nearest Tailwind class red-700 #c10007 · ΔE 5

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

Conversions

HEX

#b22222

RGB

rgb(178, 34, 34)

HSL

hsl(0, 67.9%, 41.6%)

HSV / HSB

hsv(0, 80.9%, 69.8%)

CMYK

cmyk(0%, 80.9%, 80.9%, 30.2%)

LAB

lab(39.12, 55.92, 37.65)

LCH

lch(39.12, 67.41, 33.95)

OKLCH

oklch(49.7%, 0.1797, 26.82)

HWB

hwb(0, 13.3%, 30.2%)

Harmony colors

Complementary

#22b2b2

Analogous

#b2226a

#b22222

#b26a22

Triadic

#b22222

#22b222

#2222b2

Split-complementary

#b22222

#22b26a

#226ab2

Tetradic

#b22222

#b2b222

#22b2b2

#2222b2

Square

#b22222

#6ab222

#22b2b2

#6a22b2

Shades

Firebrick Color mixed toward black.

#941c1c

#771717

#591111

#3b0b0b

#1e0606

Tints

Firebrick Color mixed toward white.

#d72f2f

#df5858

#e78282

#efacac

#f7d5d5

Tones

Firebrick Color mixed toward gray.

#a62e2e

#9a3a3a

#8e4646

#825252

#765e5e

Accessibility

Aa White text on this color

6.68:1

Aa Black text on this color

3.14:1

White text reads better on this background (6.68:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8b8a22 · ΔE 47.6

Deuteranopia

#919922 · ΔE 53.1

Tritanopia

#ae2222 · ΔE 0.8

Achromatopsia

#5c5c5c · ΔE 27

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

Code

CSS

background-color: #b22222;

Tailwind (arbitrary value)

bg-[#b22222]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

Firebrick (#b22222) is rgb(178, 34, 34) in RGB.

No, #b22222 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 #b22222, or check how it holds up for accessibility.

Generate a palette → Check contrast