#b31407

Color #b31407

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 11.95 Nearest Tailwind class red-700 #c10007 · ΔE 2.5

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Conversions

HEX

#b31407

RGB

rgb(179, 20, 7)

HSL

hsl(4.5, 92.5%, 36.5%)

HSV / HSB

hsv(4.5, 96.1%, 70.2%)

CMYK

cmyk(0%, 88.8%, 96.1%, 29.8%)

LAB

lab(38.03, 58.87, 49.18)

LCH

lch(38.03, 76.71, 39.88)

OKLCH

oklch(48.9%, 0.1908, 29.96)

HWB

hwb(4.5, 2.7%, 29.8%)

Harmony colors

Complementary

#07a6b3

Analogous

#b30750

#b31407

#b36a07

Triadic

#b31407

#07b314

#1407b3

Split-complementary

#b31407

#07b36a

#0750b3

Tetradic

#b31407

#a6b307

#07a6b3

#1407b3

Square

#b31407

#50b307

#07a6b3

#6a07b3

Shades

Color #b31407 mixed toward black.

#951106

#770d05

#5a0a03

#3c0702

#1e0301

Tints

Color #b31407 mixed toward white.

#e71a09

#f73e2f

#f96e63

#fb9f97

#fdcfcb

Tones

Color #b31407 mixed toward gray.

#a52015

#962c24

#883832

#7a4540

#6b514f

Accessibility

Aa White text on this color

6.95:1

Aa Black text on this color

3.02:1

White text reads better on this background (6.95:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8b8a0b · ΔE 47.5

Deuteranopia

#91990c · ΔE 52.9

Tritanopia

#af0e0e · ΔE 2

Achromatopsia

#595959 · ΔE 28.2

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

Code

CSS

background-color: #b31407;

Tailwind (arbitrary value)

bg-[#b31407]

Related colors

Misty Rose #ffe4e1

Salmon #fa8072

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Frequently asked questions

#b31407 (#b31407) is rgb(179, 20, 7) in RGB.

No, #b31407 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 #b31407, or check how it holds up for accessibility.

Generate a palette → Check contrast