#b11c0a

Color #b11c0a

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 10.44 Nearest Tailwind class red-700 #c10007 · ΔE 2.9

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

Conversions

HEX

#b11c0a

RGB

rgb(177, 28, 10)

HSL

hsl(6.5, 89.3%, 36.7%)

HSV / HSB

hsv(6.5, 94.4%, 69.4%)

CMYK

cmyk(0%, 84.2%, 94.4%, 30.6%)

LAB

lab(38.2, 56.67, 48.02)

LCH

lch(38.2, 74.28, 40.28)

OKLCH

oklch(48.9%, 0.1849, 30.67)

HWB

hwb(6.5, 3.9%, 30.6%)

Harmony colors

Complementary

#0a9fb1

Analogous

#b10a4b

#b11c0a

#b1700a

Triadic

#b11c0a

#0ab11c

#1c0ab1

Split-complementary

#b11c0a

#0ab170

#0a4bb1

Tetradic

#b11c0a

#9fb10a

#0a9fb1

#1c0ab1

Square

#b11c0a

#4bb10a

#0a9fb1

#700ab1

Shades

Color #b11c0a mixed toward black.

#941708

#761307

#590e05

#3b0903

#1e0502

Tints

Color #b11c0a mixed toward white.

#e4240d

#f34833

#f67666

#f9a499

#fcd1cc

Tones

Color #b11c0a mixed toward gray.

#a32718

#953226

#873d34

#794842

#6c5350

Accessibility

Aa White text on this color

6.91:1

Aa Black text on this color

3.04:1

White text reads better on this background (6.91:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8a8910 · ΔE 46.5

Deuteranopia

#909711 · ΔE 51.4

Tritanopia

#ad1314 · ΔE 3.1

Achromatopsia

#5a5a5a · ΔE 27.9

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

Code

CSS

background-color: #b11c0a;

Tailwind (arbitrary value)

bg-[#b11c0a]

Related colors

Salmon #fa8072

Misty Rose #ffe4e1

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#b11c0a (#b11c0a) is rgb(177, 28, 10) in RGB.

No, #b11c0a 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 #b11c0a, or check how it holds up for accessibility.

Generate a palette → Check contrast