#c91f00

Color #c91f00

A vivid, highly saturated dark red.

Closest named color Orange Red #ff4500 · ΔE 19.44 Nearest Tailwind class orange-700 #ca3500 · ΔE 3.6

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Conversions

HEX

#c91f00

RGB

rgb(201, 31, 0)

HSL

hsl(9.3, 100%, 39.4%)

HSV / HSB

hsv(9.3, 100%, 78.8%)

CMYK

cmyk(0%, 84.6%, 100%, 21.2%)

LAB

lab(43.36, 62.69, 56.72)

LCH

lch(43.36, 84.54, 42.14)

OKLCH

oklch(53.6%, 0.2053, 31.61)

HWB

hwb(9.3, 0%, 21.2%)

Harmony colors

Complementary

#00aac9

Analogous

#c90045

#c91f00

#c98400

Triadic

#c91f00

#00c91f

#1f00c9

Split-complementary

#c91f00

#00c984

#0045c9

Tetradic

#c91f00

#aac900

#00aac9

#1f00c9

Square

#c91f00

#45c900

#00aac9

#8400c9

Shades

Color #c91f00 mixed toward black.

#a71a00

#861500

#641000

#430a00

#210500

Tints

Color #c91f00 mixed toward white.

#fc2700

#ff5131

#ff7c64

#ffa898

#ffd3cb

Tones

Color #c91f00 mixed toward gray.

#b82b11

#a73621

#974232

#864d43

#755954

Accessibility

Aa White text on this color

5.71:1

Aa Black text on this color

3.68:1

White text reads better on this background (5.71:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#9d9c0b · ΔE 49.2

Deuteranopia

#a4ac0d · ΔE 53.9

Tritanopia

#c51213 · ΔE 4

Achromatopsia

#666666 · ΔE 29.2

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

Code

CSS

background-color: #c91f00;

Tailwind (arbitrary value)

bg-[#c91f00]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Frequently asked questions

#c91f00 (#c91f00) is rgb(201, 31, 0) in RGB.

No, #c91f00 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 #c91f00, or check how it holds up for accessibility.

Generate a palette → Check contrast