#90221F#90221F

#90221F is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.3% C 0.146 H 27.0°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#90221F
RGB	rgb(144, 34, 31)
HSL	hsl(2, 65%, 34%)
HSV	hsv(2, 78%, 56%)
CMYK	cmyk(0%, 76.4%, 78.5%, 43.5%)
CIE-LAB	lab(32.20, 45.30, 30.05)
CIE-LCH	lch(32.20, 54.36, 33.56°)
OKLab	oklab(43.3% 0.1304 0.0664)
OKLCH	oklch(43.3% 0.146 27)
XYZ	xyz(12.3224, 7.1742, 2.0320)
Luminance	0.0717 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90221F #1F8D90

analogous

#901F55 #90221F #905B1F

triadic

#90221F #1F9022 #221F90

tetradic

#90221F #55901F #1F8D90 #5B1F90

square

#90221F #55901F #1F8D90 #5B1F90

split-complementary

#90221F #1F905B #1F5590

monochromatic

#2B0A09 #5E1614 #90221F #C22E2A #D95450

Accessibility & contrast

On white

8.63

#90221F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#90221F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90221F

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90221F	#FFFFFF	#000000	##FFFFFF
##90221F	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)

#433C1D

Deuteranopia (green-blind)

#5E541B

Tritanopia (blue-blind)

#9F0023

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #90221f;
/* rgb */ color: rgb(144, 34, 31);
/* oklch */ color: oklch(43.3% 0.146 27.0);

Tailwind

colors: {
  custom: {
    50: '#b9665b',
    500: '#90221f',
    950: '#000000',
  },
}

SCSS

$custom: #90221f;
$custom-light: #b9665b;
$custom-dark: #000000;

JSON

{
  "hex": "#90221f",
  "rgb": {
    "r": 144,
    "g": 34,
    "b": 31
  },
  "hsl": {
    "h": 1.593,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43298,
    "c": 0.14635,
    "h": 27
  },
  "luminance": 0.07172
}

Semantic roles & 50–950 ramp

primary

#90221F

secondary

#4EB9BC

accent

#E3E840

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #90221F

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

Preview Lab → · Contrast checker → · Palette generator →