#b40c00

Color #b40c00

A vivid, highly saturated dark red.

Closest named color Firebrick #b22222 · ΔE 14.96 Nearest Tailwind class red-700 #c10007 · ΔE 2.7

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

Conversions

HEX

#b40c00

RGB

rgb(180, 12, 0)

HSL

hsl(4, 100%, 35.3%)

HSV / HSB

hsv(4, 100%, 70.6%)

CMYK

cmyk(0%, 93.3%, 100%, 29.4%)

LAB

lab(37.79, 60.29, 51.9)

LCH

lch(37.79, 79.55, 40.72)

OKLCH

oklch(48.7%, 0.1951, 30.05)

HWB

hwb(4, 0%, 29.4%)

Harmony colors

Complementary

#00a8b4

Analogous

#b4004e

#b40c00

#b46600

Triadic

#b40c00

#00b40c

#0c00b4

Split-complementary

#b40c00

#00b466

#004eb4

Tetradic

#b40c00

#a8b400

#00a8b4

#0c00b4

Square

#b40c00

#4eb400

#00a8b4

#6600b4

Shades

Color #b40c00 mixed toward black.

#960a00

#780800

#5a0600

#3c0400

#1e0200

Tints

Color #b40c00 mixed toward white.

#eb1000

#ff3223

#ff655a

#ff9891

#ffccc8

Tones

Color #b40c00 mixed toward gray.

#a5190f

#96261e

#87332d

#78403c

#694d4b

Accessibility

Aa White text on this color

7.02:1

Aa Black text on this color

2.99:1

White text reads better on this background (7.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#8c8b03 · ΔE 48

Deuteranopia

#929904 · ΔE 52.9

Tritanopia

#b00506 · ΔE 1.7

Achromatopsia

#595959 · ΔE 28.6

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

Code

CSS

background-color: #b40c00;

Tailwind (arbitrary value)

bg-[#b40c00]

Related colors

Misty Rose #ffe4e1

Salmon #fa8072

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Frequently asked questions

#b40c00 (#b40c00) is rgb(180, 12, 0) in RGB.

No, #b40c00 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 #b40c00, or check how it holds up for accessibility.

Generate a palette → Check contrast