#90281D#90281D

#90281D is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.9% C 0.141 H 29.8°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#90281D
RGB	rgb(144, 40, 29)
HSL	hsl(6, 66%, 34%)
HSV	hsv(6, 80%, 56%)
CMYK	cmyk(0%, 72.2%, 79.9%, 43.5%)
CIE-LAB	lab(33.00, 42.95, 32.07)
CIE-LCH	lch(33.00, 53.60, 36.75°)
OKLab	oklab(43.89% 0.1226 0.0702)
OKLCH	oklch(43.89% 0.141 29.8)
XYZ	xyz(12.4836, 7.5375, 1.9597)
Luminance	0.0754 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90281D #1D8590

analogous

#901D4C #90281D #90621D

triadic

#90281D #1D9028 #281D90

tetradic

#90281D #4C901D #1D8590 #621D90

square

#90281D #4C901D #1D8590 #621D90

split-complementary

#90281D #1D9062 #1D4C90

monochromatic

#2A0C08 #5D1A13 #90281D #C33627 #DB5A4C

Accessibility & contrast

On white

8.38

#90281D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#90281D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90281D

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90281D	#FFFFFF	#000000	##FFFFFF
##90281D	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F1B

Deuteranopia (green-blind)

#605619

Tritanopia (blue-blind)

#9F0026

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #90281d;
/* rgb */ color: rgb(144, 40, 29);
/* oklch */ color: oklch(43.9% 0.141 29.8);

Tailwind

colors: {
  custom: {
    50: '#b9695a',
    500: '#90281d',
    950: '#000000',
  },
}

SCSS

$custom: #90281d;
$custom-light: #b9695a;
$custom-dark: #000000;

JSON

{
  "hex": "#90281d",
  "rgb": {
    "r": 144,
    "g": 40,
    "b": 29
  },
  "hsl": {
    "h": 5.739,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43888,
    "c": 0.14128,
    "h": 29.8
  },
  "luminance": 0.07536
}

Semantic roles & 50–950 ramp

primary

#90281D

secondary

#4BB3BD

accent

#D9E93E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130704

muted

#827A79

Preview Lab

Preview with #90281D

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

Preview Lab → · Contrast checker → · Palette generator →