#a3031d

Color #a3031d

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 6.46 Nearest Tailwind class red-800 #9f0712 · ΔE 3

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

Conversions

HEX

#a3031d

RGB

rgb(163, 3, 29)

HSL

hsl(350.3, 96.4%, 32.5%)

HSV / HSB

hsv(350.3, 98.2%, 63.9%)

CMYK

cmyk(0%, 98.2%, 82.2%, 36.1%)

LAB

lab(33.86, 57.42, 34.22)

LCH

lch(33.86, 66.84, 30.79)

OKLCH

oklch(45.2%, 0.1813, 23.78)

HWB

hwb(350.3, 1.2%, 36.1%)

Harmony colors

Complementary

#03a389

Analogous

#a3036d

#a3031d

#a33903

Triadic

#a3031d

#1da303

#031da3

Split-complementary

#a3031d

#03a339

#036da3

Tetradic

#a3031d

#a38903

#03a389

#031da3

Square

#a3031d

#6da303

#03a389

#3903a3

Shades

Color #a3031d mixed toward black.

#880218

#6d0213

#51010e

#36010a

#1b0005

Tints

Color #a3031d mixed toward white.

#db0427

#fb1e41

#fc5671

#fd8ea0

#fec7d0

Tones

Color #a3031d mixed toward gray.

#951026

#881e2f

#7b2b38

#6e3841

#60464a

Accessibility

Aa White text on this color

8.11:1

Aa Black text on this color

2.59:1

White text reads better on this background (8.11:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#7e7d19 · ΔE 48.1

Deuteranopia

#848b18 · ΔE 53.2

Tritanopia

#9f1514 · ΔE 3.5

Achromatopsia

#505050 · ΔE 26.9

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

Code

CSS

background-color: #a3031d;

Tailwind (arbitrary value)

bg-[#a3031d]

Related colors

Light Pink #ffb6c1

Pink #ffc0cb

Crimson #dc143c

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#a3031d (#a3031d) is rgb(163, 3, 29) in RGB.

No, #a3031d 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.

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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 #a3031d, or check how it holds up for accessibility.

Generate a palette → Check contrast