#b70000

Color #b70000

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 16.14 Nearest Tailwind class red-700 #c10007 · ΔE 2.2

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

Conversions

HEX

#b70000

RGB

rgb(183, 0, 0)

HSL

hsl(0, 100%, 35.9%)

HSV / HSB

hsv(0, 100%, 71.8%)

CMYK

cmyk(0%, 100%, 100%, 28.2%)

LAB

lab(37.97, 62.43, 52.37)

LCH

lch(37.97, 81.49, 39.99)

OKLCH

oklch(48.9%, 0.2009, 29.23)

HWB

hwb(0, 0%, 28.2%)

Harmony colors

Complementary

#00b7b7

Analogous

#b7005c

#b70000

#b75c00

Triadic

#b70000

#00b700

#0000b7

Split-complementary

#b70000

#00b75c

#005cb7

Tetradic

#b70000

#b7b700

#00b7b7

#0000b7

Square

#b70000

#5cb700

#00b7b7

#5c00b7

Shades

Color #b70000 mixed toward black.

#990000

#7a0000

#5c0000

#3d0000

#1f0000

Tints

Color #b70000 mixed toward white.

#ee0000

#ff2525

#ff5c5c

#ff9292

#ffc9c9

Tones

Color #b70000 mixed toward gray.

#a80f0f

#991f1f

#892e2e

#7a3d3d

#6b4c4c

Accessibility

Aa White text on this color

6.97:1

Aa Black text on this color

3.01:1

White text reads better on this background (6.97:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8e8c00 · ΔE 48.7

Deuteranopia

#949c00 · ΔE 54.5

Tritanopia

#b30000 · ΔE 0.8

Achromatopsia

#595959 · ΔE 28.8

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

Code

CSS

background-color: #b70000;

Tailwind (arbitrary value)

bg-[#b70000]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#b70000 (#b70000) is rgb(183, 0, 0) in RGB.

No, #b70000 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 #b70000, or check how it holds up for accessibility.

Generate a palette → Check contrast