#900004

Color #900004

A vivid, highly saturated dark red.

Closest named color Dark Red #8b0000 · ΔE 1.83 Nearest Tailwind class red-800 #9f0712 · ΔE 3.6

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

Conversions

HEX

#900004

RGB

rgb(144, 0, 4)

HSL

hsl(358.3, 100%, 28.2%)

HSV / HSB

hsv(358.3, 100%, 56.5%)

CMYK

cmyk(0%, 100%, 97.2%, 43.5%)

LAB

lab(29.26, 52.39, 41.09)

LCH

lch(29.26, 66.58, 38.11)

OKLCH

oklch(41.1%, 0.168, 28.44)

HWB

hwb(358.3, 0%, 43.5%)

Harmony colors

Complementary

#00908c

Analogous

#90004c

#900004

#904400

Triadic

#900004

#049000

#000490

Split-complementary

#900004

#009044

#004c90

Tetradic

#900004

#908c00

#00908c

#000490

Square

#900004

#4c9000

#00908c

#440090

Shades

Color #900004 mixed toward black.

#780003

#600003

#480002

#300001

#180001

Tints

Color #900004 mixed toward white.

#cd0006

#ff0b12

#ff484d

#ff8588

#ffc2c4

Tones

Color #900004 mixed toward gray.

#840c0f

#78181b

#6c2426

#603031

#543c3d

Accessibility

Aa White text on this color

9.6:1

Aa Black text on this color

2.19:1

White text reads better on this background (9.6:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#6f6e03 · ΔE 43.3

Deuteranopia

#747a03 · ΔE 47.6

Tritanopia

#8d0202 · ΔE 0.7

Achromatopsia

#454545 · ΔE 26.9

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

Code

CSS

background-color: #900004;

Tailwind (arbitrary value)

bg-[#900004]

Related colors

Light Pink #ffb6c1

Pink #ffc0cb

Crimson #dc143c

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#900004 (#900004) is rgb(144, 0, 4) in RGB.

No, #900004 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 #900004, or check how it holds up for accessibility.

Generate a palette → Check contrast