#90301D#90301D

#90301D is a dark, vivid red. Relative luminance 0.081; OKLCH L 44.8% C 0.134 H 33.1°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#90301D
RGB	rgb(144, 48, 29)
HSL	hsl(10, 66%, 34%)
HSV	hsv(10, 80%, 56%)
CMYK	cmyk(0%, 66.7%, 79.9%, 43.5%)
CIE-LAB	lab(34.26, 39.53, 33.37)
CIE-LCH	lch(34.26, 51.73, 40.17°)
OKLab	oklab(44.83% 0.1119 0.0731)
OKLCH	oklch(44.83% 0.134 33.1)
XYZ	xyz(12.7817, 8.1338, 2.0591)
Luminance	0.0813 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90301D #1D7D90

analogous

#901D44 #90301D #906A1D

triadic

#90301D #1D9030 #301D90

tetradic

#90301D #44901D #1D7D90 #6A1D90

square

#90301D #44901D #1D7D90 #6A1D90

split-complementary

#90301D #1D906A #1D4490

monochromatic

#2A0E08 #5D1F13 #90301D #C34127 #DB644C

Accessibility & contrast

On white

8.00

#90301D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#90301D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90301D

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90301D	#FFFFFF	#000000	##FFFFFF
##90301D	1.00	8.00	2.63	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B431A

Deuteranopia (green-blind)

#635819

Tritanopia (blue-blind)

#9F152C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #90301d;
/* rgb */ color: rgb(144, 48, 29);
/* oklch */ color: oklch(44.8% 0.134 33.1);

Tailwind

colors: {
  custom: {
    50: '#b86d5a',
    500: '#90301d',
    950: '#000000',
  },
}

SCSS

$custom: #90301d;
$custom-light: #b86d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#90301d",
  "rgb": {
    "r": 144,
    "g": 48,
    "b": 29
  },
  "hsl": {
    "h": 9.913,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.44833,
    "c": 0.13366,
    "h": 33.1
  },
  "luminance": 0.08132
}

Semantic roles & 50–950 ramp

primary

#90301D

secondary

#4BABBD

accent

#CDE93E

background

#FCF6F5

surface

#F8ECE9

border

#D1C7C5

text

#130704

muted

#827A79

Preview Lab

Preview with #90301D

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

Preview Lab → · Contrast checker → · Palette generator →