#90131F#90131F

#90131F is a dark, vivid red. Relative luminance 0.065; OKLCH L 42.1% C 0.157 H 23.5°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#90131F
RGB	rgb(144, 19, 31)
HSL	hsl(354, 77%, 32%)
HSV	hsv(354, 87%, 56%)
CMYK	cmyk(0%, 86.8%, 78.5%, 43.5%)
CIE-LAB	lab(30.63, 49.72, 28.35)
CIE-LCH	lch(30.63, 57.24, 29.69°)
OKLab	oklab(42.13% 0.1444 0.0627)
OKLCH	oklch(42.13% 0.157 23.5)
XYZ	xyz(11.9833, 6.4959, 1.9189)
Luminance	0.0649 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90131F #139084

analogous

#90135E #90131F #904613

triadic

#90131F #1F9013 #131F90

tetradic

#90131F #5E9013 #139084 #461390

square

#90131F #5E9013 #139084 #461390

split-complementary

#90131F #139046 #135E90

monochromatic

#240508 #5A0C13 #90131F #C61A2B #E53949

Accessibility & contrast

On white

9.14

#90131F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#90131F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90131F

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90131F	#FFFFFF	#000000	##FFFFFF
##90131F	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)

#3D371E

Deuteranopia (green-blind)

#5B511A

Tritanopia (blue-blind)

#9F0019

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #90131f;
/* rgb */ color: rgb(144, 19, 31);
/* oklch */ color: oklch(42.1% 0.157 23.5);

Tailwind

colors: {
  custom: {
    50: '#b9615b',
    500: '#90131f',
    950: '#000000',
  },
}

SCSS

$custom: #90131f;
$custom-light: #b9615b;
$custom-dark: #000000;

JSON

{
  "hex": "#90131f",
  "rgb": {
    "r": 144,
    "g": 19,
    "b": 31
  },
  "hsl": {
    "h": 354.24,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42133,
    "c": 0.15743,
    "h": 23.5
  },
  "luminance": 0.06494
}

Semantic roles & 50–950 ramp

primary

#90131F

secondary

#3BC4B7

accent

#F3E135

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #90131F

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

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