#550000

Color #550000

A vivid, highly saturated very dark red.

Closest named color Maroon #800000 · ΔE 21.53 Nearest Tailwind class red-950 #460809 · ΔE 4.6

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

Conversions

HEX

#550000

RGB

rgb(85, 0, 0)

HSL

hsl(0, 100%, 16.7%)

HSV / HSB

hsv(0, 100%, 33.3%)

CMYK

cmyk(0%, 100%, 100%, 66.7%)

LAB

lab(15.13, 36, 23.57)

LCH

lch(15.13, 43.03, 33.21)

OKLCH

oklch(28.2%, 0.1159, 29.24)

HWB

hwb(0, 0%, 66.7%)

Harmony colors

Complementary

#005555

Analogous

#55002b

#550000

#552b00

Triadic

#550000

#005500

#000055

Split-complementary

#550000

#00552b

#002b55

Tetradic

#550000

#555500

#005555

#000055

Square

#550000

#2b5500

#005555

#2b0055

Shades

Color #550000 mixed toward black.

#470000

#390000

#2b0000

#1c0000

#0e0000

Tints

Color #550000 mixed toward white.

#9c0000

#e30000

#ff2b2b

#ff7171

#ffb8b8

Tones

Color #550000 mixed toward gray.

#4e0707

#470e0e

#401515

#391c1c

#322323

Accessibility

Aa White text on this color

15.15:1

Aa Black text on this color

1.39:1

White text reads better on this background (15.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404000 · ΔE 34.4

Deuteranopia

#434700 · ΔE 37.1

Tritanopia

#530000 · ΔE 0.5

Achromatopsia

#262626 · ΔE 23.7

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

Code

CSS

background-color: #550000;

Tailwind (arbitrary value)

bg-[#550000]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#550000 (#550000) is rgb(85, 0, 0) in RGB.

No, #550000 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.

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Build something with this color

Generate a full palette from #550000, or check how it holds up for accessibility.

Generate a palette → Check contrast