#90131D#90131D

#90131D is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.1% C 0.158 H 24.3°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#90131D
RGB	rgb(144, 19, 29)
HSL	hsl(355, 77%, 32%)
HSV	hsv(355, 87%, 56%)
CMYK	cmyk(0%, 86.8%, 79.9%, 43.5%)
CIE-LAB	lab(30.61, 49.65, 29.55)
CIE-LCH	lch(30.61, 57.78, 30.76°)
OKLab	oklab(42.11% 0.1437 0.0647)
OKLCH	oklch(42.11% 0.158 24.3)
XYZ	xyz(11.9577, 6.4857, 1.7844)
Luminance	0.0648 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90131D #139086

analogous

#90135C #90131D #904813

triadic

#90131D #1D9013 #131D90

tetradic

#90131D #5C9013 #139086 #481390

square

#90131D #5C9013 #139086 #481390

split-complementary

#90131D #139048 #135C90

monochromatic

#240507 #5A0C12 #90131D #C61A28 #E53946

Accessibility & contrast

On white

9.14

#90131D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#90131D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90131D

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90131D	#FFFFFF	#000000	##FFFFFF
##90131D	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D371C

Deuteranopia (green-blind)

#5B5118

Tritanopia (blue-blind)

#9F0019

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #90131d;
/* rgb */ color: rgb(144, 19, 29);
/* oklch */ color: oklch(42.1% 0.158 24.3);

Tailwind

colors: {
  custom: {
    50: '#b96159',
    500: '#90131d',
    950: '#000000',
  },
}

SCSS

$custom: #90131d;
$custom-light: #b96159;
$custom-dark: #000000;

JSON

{
  "hex": "#90131d",
  "rgb": {
    "r": 144,
    "g": 19,
    "b": 29
  },
  "hsl": {
    "h": 355.2,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42107,
    "c": 0.15761,
    "h": 24.3
  },
  "luminance": 0.06484
}

Semantic roles & 50–950 ramp

primary

#90131D

secondary

#3BC4B9

accent

#F3E435

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90131D

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

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