#90171E#90171E

#90171E is a dark, vivid red. Relative luminance 0.066; OKLCH L 42.4% C 0.155 H 24.6°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#90171E
RGB	rgb(144, 23, 30)
HSL	hsl(357, 72%, 33%)
HSV	hsv(357, 84%, 56%)
CMYK	cmyk(0%, 84%, 79.2%, 43.5%)
CIE-LAB	lab(30.97, 48.69, 29.33)
CIE-LCH	lch(30.97, 56.84, 31.06°)
OKLab	oklab(42.38% 0.1409 0.0646)
OKLCH	oklch(42.38% 0.155 24.6)
XYZ	xyz(12.0438, 6.6378, 1.8751)
Luminance	0.0664 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90171E #179089

analogous

#90175A #90171E #904C17

triadic

#90171E #1E9017 #171E90

tetradic

#90171E #5A9017 #179089 #4C1790

square

#90171E #5A9017 #179089 #4C1790

split-complementary

#90171E #17904C #175A90

monochromatic

#260608 #5B0F13 #90171E #C51F29 #E1414A

Accessibility & contrast

On white

9.02

#90171E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#90171E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90171E

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90171E	#FFFFFF	#000000	##FFFFFF
##90171E	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E381D

Deuteranopia (green-blind)

#5C5219

Tritanopia (blue-blind)

#9F001B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90171e;
/* rgb */ color: rgb(144, 23, 30);
/* oklch */ color: oklch(42.4% 0.155 24.6);

Tailwind

colors: {
  custom: {
    50: '#b9625a',
    500: '#90171e',
    950: '#000000',
  },
}

SCSS

$custom: #90171e;
$custom-light: #b9625a;
$custom-dark: #000000;

JSON

{
  "hex": "#90171e",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 30
  },
  "hsl": {
    "h": 356.529,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42378,
    "c": 0.15498,
    "h": 24.6
  },
  "luminance": 0.06636
}

Semantic roles & 50–950 ramp

primary

#90171E

secondary

#42C1BA

accent

#EFE539

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90171E

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

Preview Lab → · Contrast checker → · Palette generator →