#90221B#90221B

#90221B is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.3% C 0.147 H 28.5°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#90221B
RGB	rgb(144, 34, 27)
HSL	hsl(4, 68%, 34%)
HSV	hsv(4, 81%, 56%)
CMYK	cmyk(0%, 76.4%, 81.3%, 43.5%)
CIE-LAB	lab(32.16, 45.15, 32.35)
CIE-LCH	lch(32.16, 55.54, 35.62°)
OKLab	oklab(43.25% 0.1291 0.0702)
OKLCH	oklch(43.25% 0.147 28.5)
XYZ	xyz(12.2729, 7.1544, 1.7714)
Luminance	0.0715 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90221B #1B8990

analogous

#901B4E #90221B #905C1B

triadic

#90221B #1B9022 #221B90

tetradic

#90221B #4E901B #1B8990 #5C1B90

square

#90221B #4E901B #1B8990 #5C1B90

split-complementary

#90221B #1B905C #1B4E90

monochromatic

#290A08 #5C1611 #90221B #C42E25 #DD5149

Accessibility & contrast

On white

8.64

#90221B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#90221B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90221B

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90221B	#FFFFFF	#000000	##FFFFFF
##90221B	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C19

Deuteranopia (green-blind)

#5F5416

Tritanopia (blue-blind)

#9F0022

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #90221b;
/* rgb */ color: rgb(144, 34, 27);
/* oklch */ color: oklch(43.3% 0.147 28.5);

Tailwind

colors: {
  custom: {
    50: '#b96658',
    500: '#90221b',
    950: '#000000',
  },
}

SCSS

$custom: #90221b;
$custom-light: #b96658;
$custom-dark: #000000;

JSON

{
  "hex": "#90221b",
  "rgb": {
    "r": 144,
    "g": 34,
    "b": 27
  },
  "hsl": {
    "h": 3.59,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43251,
    "c": 0.14692,
    "h": 28.5
  },
  "luminance": 0.07152
}

Semantic roles & 50–950 ramp

primary

#90221B

secondary

#48B8BF

accent

#E1EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90221B

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

Preview Lab → · Contrast checker → · Palette generator →