#90281F#90281F

#90281F is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.9% C 0.141 H 29.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#90281F
RGB	rgb(144, 40, 31)
HSL	hsl(5, 65%, 34%)
HSV	hsv(5, 78%, 56%)
CMYK	cmyk(0%, 72.2%, 78.5%, 43.5%)
CIE-LAB	lab(33.02, 43.03, 30.94)
CIE-LCH	lch(33.02, 52.99, 35.72°)
OKLab	oklab(43.91% 0.1233 0.0684)
OKLCH	oklch(43.91% 0.141 29)
XYZ	xyz(12.5092, 7.5477, 2.0942)
Luminance	0.0755 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90281F #1F8790

analogous

#901F4F #90281F #90611F

triadic

#90281F #1F9028 #281F90

tetradic

#90281F #4F901F #1F8790 #611F90

square

#90281F #4F901F #1F8790 #611F90

split-complementary

#90281F #1F9061 #1F4F90

monochromatic

#2B0C09 #5E1A14 #90281F #C2362A #D95B50

Accessibility & contrast

On white

8.37

#90281F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#90281F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90281F

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90281F	#FFFFFF	#000000	##FFFFFF
##90281F	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1D

Deuteranopia (green-blind)

#60561B

Tritanopia (blue-blind)

#9F0027

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90281f;
/* rgb */ color: rgb(144, 40, 31);
/* oklch */ color: oklch(43.9% 0.141 29.0);

Tailwind

colors: {
  custom: {
    50: '#b8695b',
    500: '#90281f',
    950: '#000000',
  },
}

SCSS

$custom: #90281f;
$custom-light: #b8695b;
$custom-dark: #000000;

JSON

{
  "hex": "#90281f",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 31
  },
  "hsl": {
    "h": 4.779,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43912,
    "c": 0.14094,
    "h": 29
  },
  "luminance": 0.07546
}

Semantic roles & 50–950 ramp

primary

#90281F

secondary

#4EB4BC

accent

#DAE840

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130704

muted

#827A79

Preview Lab

Preview with #90281F

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

Preview Lab → · Contrast checker → · Palette generator →