#901921#901921

#901921 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.153 H 23.8°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#901921
RGB	rgb(144, 25, 33)
HSL	hsl(356, 70%, 33%)
HSV	hsv(356, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 77.1%, 43.5%)
CIE-LAB	lab(31.20, 48.26, 27.74)
CIE-LCH	lch(31.20, 55.66, 29.89°)
OKLab	oklab(42.56% 0.1402 0.062)
OKLCH	oklch(42.56% 0.153 23.8)
XYZ	xyz(12.1252, 6.7363, 2.1004)
Luminance	0.0673 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901921 #199088

analogous

#90195D #901921 #904C19

triadic

#901921 #219019 #192190

tetradic

#901921 #5D9019 #199088 #4C1990

square

#901921 #5D9019 #199088 #4C1990

split-complementary

#901921 #19904C #195D90

monochromatic

#280709 #5C1015 #901921 #C4222D #DF454F

Accessibility & contrast

On white

8.95

#901921 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901921 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901921

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901921	#FFFFFF	#000000	##FFFFFF
##901921	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3920

Deuteranopia (green-blind)

#5C521C

Tritanopia (blue-blind)

#9F001E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901921;
/* rgb */ color: rgb(144, 25, 33);
/* oklch */ color: oklch(42.6% 0.153 23.8);

Tailwind

colors: {
  custom: {
    50: '#b9635c',
    500: '#901921',
    950: '#000000',
  },
}

SCSS

$custom: #901921;
$custom-light: #b9635c;
$custom-dark: #000000;

JSON

{
  "hex": "#901921",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 33
  },
  "hsl": {
    "h": 355.966,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42562,
    "c": 0.15329,
    "h": 23.8
  },
  "luminance": 0.06734
}

Semantic roles & 50–950 ramp

primary

#901921

secondary

#45C0B8

accent

#EDE13B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901921

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →