#90291B#90291B

#90291B is a dark, vivid red. Relative luminance 0.076; OKLCH L 44.0% C 0.141 H 30.9°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#90291B
RGB	rgb(144, 41, 27)
HSL	hsl(7, 68%, 34%)
HSV	hsv(7, 81%, 56%)
CMYK	cmyk(0%, 71.5%, 81.3%, 43.5%)
CIE-LAB	lab(33.13, 42.47, 33.33)
CIE-LCH	lch(33.13, 53.99, 38.13°)
OKLab	oklab(43.98% 0.1207 0.0723)
OKLCH	oklch(43.98% 0.141 30.9)
XYZ	xyz(12.4938, 7.5962, 1.8450)
Luminance	0.0759 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90291B #1B8290

analogous

#901B48 #90291B #90631B

triadic

#90291B #1B9029 #291B90

tetradic

#90291B #48901B #1B8290 #631B90

square

#90291B #48901B #1B8290 #631B90

split-complementary

#90291B #1B9063 #1B4890

monochromatic

#290C08 #5C1A11 #90291B #C43825 #DD5A49

Accessibility & contrast

On white

8.34

#90291B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#90291B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90291B

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90291B	#FFFFFF	#000000	##FFFFFF
##90291B	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F18

Deuteranopia (green-blind)

#615616

Tritanopia (blue-blind)

#9F0127

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90291b;
/* rgb */ color: rgb(144, 41, 27);
/* oklch */ color: oklch(44.0% 0.141 30.9);

Tailwind

colors: {
  custom: {
    50: '#b96a59',
    500: '#90291b',
    950: '#000000',
  },
}

SCSS

$custom: #90291b;
$custom-light: #b96a59;
$custom-dark: #000000;

JSON

{
  "hex": "#90291b",
  "rgb": {
    "r": 144,
    "g": 41,
    "b": 27
  },
  "hsl": {
    "h": 7.179,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43977,
    "c": 0.14071,
    "h": 30.9
  },
  "luminance": 0.07594
}

Semantic roles & 50–950 ramp

primary

#90291B

secondary

#48B0BF

accent

#D6EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130703

muted

#827A78

Preview Lab

Preview with #90291B

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

Preview Lab → · Contrast checker → · Palette generator →