#90221D#90221D

#90221D is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.3% C 0.147 H 27.8°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#90221D
RGB	rgb(144, 34, 29)
HSL	hsl(3, 66%, 34%)
HSV	hsv(3, 80%, 56%)
CMYK	cmyk(0%, 76.4%, 79.9%, 43.5%)
CIE-LAB	lab(32.18, 45.22, 31.21)
CIE-LCH	lch(32.18, 54.95, 34.61°)
OKLab	oklab(43.27% 0.1297 0.0684)
OKLCH	oklch(43.27% 0.147 27.8)
XYZ	xyz(12.2969, 7.1640, 1.8975)
Luminance	0.0716 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90221D #1D8B90

analogous

#901D52 #90221D #905C1D

triadic

#90221D #1D9022 #221D90

tetradic

#90221D #52901D #1D8B90 #5C1D90

square

#90221D #52901D #1D8B90 #5C1D90

split-complementary

#90221D #1D905C #1D5290

monochromatic

#2A0A08 #5D1613 #90221D #C32E27 #DB534C

Accessibility & contrast

On white

8.63

#90221D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#90221D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90221D

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90221D	#FFFFFF	#000000	##FFFFFF
##90221D	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C1B

Deuteranopia (green-blind)

#5F5418

Tritanopia (blue-blind)

#9F0022

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #90221d;
/* rgb */ color: rgb(144, 34, 29);
/* oklch */ color: oklch(43.3% 0.147 27.8);

Tailwind

colors: {
  custom: {
    50: '#b9665a',
    500: '#90221d',
    950: '#000000',
  },
}

SCSS

$custom: #90221d;
$custom-light: #b9665a;
$custom-dark: #000000;

JSON

{
  "hex": "#90221d",
  "rgb": {
    "r": 144,
    "g": 34,
    "b": 29
  },
  "hsl": {
    "h": 2.609,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43274,
    "c": 0.14663,
    "h": 27.8
  },
  "luminance": 0.07162
}

Semantic roles & 50–950 ramp

primary

#90221D

secondary

#4BB8BD

accent

#E2E93E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90221D

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

Preview Lab → · Contrast checker → · Palette generator →