#90191F#90191F

#90191F is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.153 H 24.7°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#90191F
RGB	rgb(144, 25, 31)
HSL	hsl(357, 70%, 33%)
HSV	hsv(357, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 78.5%, 43.5%)
CIE-LAB	lab(31.17, 48.18, 28.94)
CIE-LCH	lch(31.17, 56.20, 30.99°)
OKLab	oklab(42.54% 0.1395 0.064)
OKLCH	oklch(42.54% 0.153 24.7)
XYZ	xyz(12.0980, 6.7254, 1.9572)
Luminance	0.0672 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90191F #19908A

analogous

#90195A #90191F #904E19

triadic

#90191F #1F9019 #191F90

tetradic

#90191F #5A9019 #19908A #4E1990

square

#90191F #5A9019 #19908A #4E1990

split-complementary

#90191F #19904E #195A90

monochromatic

#280709 #5C1014 #90191F #C4222A #DF454C

Accessibility & contrast

On white

8.96

#90191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#90191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90191F

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90191F	#FFFFFF	#000000	##FFFFFF
##90191F	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F391E

Deuteranopia (green-blind)

#5C521A

Tritanopia (blue-blind)

#9F001D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90191f;
/* rgb */ color: rgb(144, 25, 31);
/* oklch */ color: oklch(42.5% 0.153 24.7);

Tailwind

colors: {
  custom: {
    50: '#b9635b',
    500: '#90191f',
    950: '#000000',
  },
}

SCSS

$custom: #90191f;
$custom-light: #b9635b;
$custom-dark: #000000;

JSON

{
  "hex": "#90191f",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 356.975,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42535,
    "c": 0.15349,
    "h": 24.7
  },
  "luminance": 0.06723
}

Semantic roles & 50–950 ramp

primary

#90191F

secondary

#45C0BA

accent

#EDE43B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #90191F

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

Preview Lab → · Contrast checker → · Palette generator →