#400000

Color #400000

A vivid, highly saturated very dark red.

Closest named color Maroon #800000 · ΔE 33.18 Nearest Tailwind class red-950 #460809 · ΔE 2

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Conversions

HEX

#400000

RGB

rgb(64, 0, 0)

HSL

hsl(0, 100%, 12.5%)

HSV / HSB

hsv(0, 100%, 25.1%)

CMYK

cmyk(0%, 100%, 100%, 74.9%)

LAB

lab(9.72, 29.75, 15.35)

LCH

lch(9.72, 33.48, 27.29)

OKLCH

oklch(23.3%, 0.0957, 29.27)

HWB

hwb(0, 0%, 74.9%)

Harmony colors

Complementary

#004040

Analogous

#400020

#400000

#402000

Triadic

#400000

#004000

#000040

Split-complementary

#400000

#004020

#002040

Tetradic

#400000

#404000

#004040

#000040

Square

#400000

#204000

#004040

#200040

Shades

Color #400000 mixed toward black.

#350000

#2b0000

#200000

#150000

#0b0000

Tints

Color #400000 mixed toward white.

#8a0000

#d40000

#ff2020

#ff6a6a

#ffb5b5

Tones

Color #400000 mixed toward gray.

#3a0505

#350b0b

#301010

#2b1515

#251b1b

Accessibility

Aa White text on this color

17.24:1

Aa Black text on this color

1.22:1

White text reads better on this background (17.24:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#302f00 · ΔE 30.9

Deuteranopia

#323500 · ΔE 33.5

Tritanopia

#3e0000 · ΔE 0.6

Achromatopsia

#1b1b1b · ΔE 22.1

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

Code

CSS

background-color: #400000;

Tailwind (arbitrary value)

bg-[#400000]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#400000 (#400000) is rgb(64, 0, 0) in RGB.

No, #400000 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 #400000, or check how it holds up for accessibility.

Generate a palette → Check contrast