#b1331e

Color #b1331e

A vivid, highly saturated medium red.

Closest named color Firebrick #b22222 · ΔE 7.4 Nearest Tailwind class red-700 #c10007 · ΔE 4.4

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

Conversions

HEX

#b1331e

RGB

rgb(177, 51, 30)

HSL

hsl(8.6, 71%, 40.6%)

HSV / HSB

hsv(8.6, 83.1%, 69.4%)

CMYK

cmyk(0%, 71.2%, 83.1%, 30.6%)

LAB

lab(40.91, 49.83, 41.45)

LCH

lch(40.91, 64.82, 39.75)

OKLCH

oklch(51%, 0.166, 32.05)

HWB

hwb(8.6, 11.8%, 30.6%)

Harmony colors

Complementary

#1e9cb1

Analogous

#b11e52

#b1331e

#b17d1e

Triadic

#b1331e

#1eb133

#331eb1

Split-complementary

#b1331e

#1eb17d

#1e52b1

Tetradic

#b1331e

#9cb11e

#1e9cb1

#331eb1

Square

#b1331e

#52b11e

#1e9cb1

#7d1eb1

Shades

Color #b1331e mixed toward black.

#942b19

#762214

#591a0f

#3b110a

#1e0905

Tints

Color #b1331e mixed toward white.

#da4127

#e26752

#e98d7d

#f0b3a9

#f8d9d4

Tones

Color #b1331e mixed toward gray.

#a53c2a

#994537

#8c4d43

#80564f

#745f5b

Accessibility

Aa White text on this color

6.25:1

Aa Black text on this color

3.36:1

White text reads better on this background (6.25:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8c8b24 · ΔE 43.7

Deuteranopia

#929926 · ΔE 48.5

Tritanopia

#ad2929 · ΔE 5.2

Achromatopsia

#606060 · ΔE 26.6

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

Code

CSS

background-color: #b1331e;

Tailwind (arbitrary value)

bg-[#b1331e]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Frequently asked questions

#b1331e (#b1331e) is rgb(177, 51, 30) in RGB.

No, #b1331e 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.

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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 #b1331e, or check how it holds up for accessibility.

Generate a palette → Check contrast