#400c0b

Color #400c0b

A vivid, highly saturated very dark red.

Closest named color Black #000000 · ΔE 30.8 Nearest Tailwind class red-950 #460809 · ΔE 1.9

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Conversions

HEX

#400c0b

RGB

rgb(64, 12, 11)

HSL

hsl(1.1, 70.7%, 14.7%)

HSV / HSB

hsv(1.1, 82.8%, 25.1%)

CMYK

cmyk(0%, 81.2%, 82.8%, 74.9%)

LAB

lab(11.81, 24.9, 13.76)

LCH

lch(11.81, 28.45, 28.93)

OKLCH

oklch(24.9%, 0.0804, 26.05)

HWB

hwb(1.1, 4.3%, 74.9%)

Harmony colors

Complementary

#0b3f40

Analogous

#400b25

#400c0b

#40260b

Triadic

#400c0b

#0b400c

#0c0b40

Split-complementary

#400c0b

#0b4026

#0b2540

Tetradic

#400c0b

#3f400b

#0b3f40

#0c0b40

Square

#400c0b

#25400b

#0b3f40

#260b40

Shades

Color #400c0b mixed toward black.

#350a09

#2b0807

#200605

#150404

#0b0202

Tints

Color #400c0b mixed toward white.

#7e1816

#bc2320

#df4845

#ea8583

#f4c2c1

Tones

Color #400c0b mixed toward gray.

#3c100f

#371414

#331918

#2e1d1d

#2a2121

Accessibility

Aa White text on this color

16.47:1

Aa Black text on this color

1.28:1

White text reads better on this background (16.47:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#31310b · ΔE 28.8

Deuteranopia

#33360b · ΔE 30.7

Tritanopia

#3e0b0b · ΔE 0.7

Achromatopsia

#1f1f1f · ΔE 20.5

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

Code

CSS

background-color: #400c0b;

Tailwind (arbitrary value)

bg-[#400c0b]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#400c0b (#400c0b) is rgb(64, 12, 11) in RGB.

No, #400c0b 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.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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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 #400c0b, or check how it holds up for accessibility.

Generate a palette → Check contrast