#b50100

Color #b50100

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 15.54 Nearest Tailwind class red-700 #c10007 · ΔE 2.6

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

Conversions

HEX

#b50100

RGB

rgb(181, 1, 0)

HSL

hsl(0.3, 100%, 35.5%)

HSV / HSB

hsv(0.3, 100%, 71%)

CMYK

cmyk(0%, 99.4%, 100%, 29%)

LAB

lab(37.57, 61.81, 51.95)

LCH

lch(37.57, 80.74, 40.05)

OKLCH

oklch(48.6%, 0.199, 29.31)

HWB

hwb(0.3, 0%, 29%)

Harmony colors

Complementary

#00b4b5

Analogous

#b5005a

#b50100

#b55b00

Triadic

#b50100

#00b501

#0100b5

Split-complementary

#b50100

#00b55b

#005ab5

Tetradic

#b50100

#b4b500

#00b4b5

#0100b5

Square

#b50100

#5ab500

#00b4b5

#5b00b5

Shades

Color #b50100 mixed toward black.

#970100

#790100

#5b0000

#3c0000

#1e0000

Tints

Color #b50100 mixed toward white.

#ec0100

#ff2524

#ff5b5b

#ff9291

#ffc8c8

Tones

Color #b50100 mixed toward gray.

#a6100f

#971f1e

#882e2d

#793d3c

#6a4c4b

Accessibility

Aa White text on this color

7.07:1

Aa Black text on this color

2.97:1

White text reads better on this background (7.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8c8b00 · ΔE 48.7

Deuteranopia

#929a00 · ΔE 54

Tritanopia

#b10000 · ΔE 0.8

Achromatopsia

#585858 · ΔE 28.7

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

Code

CSS

background-color: #b50100;

Tailwind (arbitrary value)

bg-[#b50100]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#b50100 (#b50100) is rgb(181, 1, 0) in RGB.

No, #b50100 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 #b50100, or check how it holds up for accessibility.

Generate a palette → Check contrast