#90191A#90191A

#90191A is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 26.5°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#90191A
RGB	rgb(144, 25, 26)
HSL	hsl(359, 70%, 33%)
HSV	hsv(359, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 81.9%, 43.5%)
CIE-LAB	lab(31.12, 48.00, 31.88)
CIE-LCH	lch(31.12, 57.62, 33.59°)
OKLab	oklab(42.47% 0.1378 0.0688)
OKLCH	oklch(42.47% 0.154 26.5)
XYZ	xyz(12.0372, 6.7011, 1.6367)
Luminance	0.0670 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90191A #19908F

analogous

#901955 #90191A #905319

triadic

#90191A #1A9019 #191A90

tetradic

#90191A #559019 #19908F #531990

square

#90191A #559019 #19908F #531990

split-complementary

#90191A #199053 #195590

monochromatic

#280707 #5C1011 #90191A #C42223 #DF4546

Accessibility & contrast

On white

8.98

#90191A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#90191A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90191A

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90191A	#FFFFFF	#000000	##FFFFFF
##90191A	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403918

Deuteranopia (green-blind)

#5D5214

Tritanopia (blue-blind)

#9F001B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90191a;
/* rgb */ color: rgb(144, 25, 26);
/* oklch */ color: oklch(42.5% 0.154 26.5);

Tailwind

colors: {
  custom: {
    50: '#b96357',
    500: '#90191a',
    950: '#000000',
  },
}

SCSS

$custom: #90191a;
$custom-light: #b96357;
$custom-dark: #000000;

JSON

{
  "hex": "#90191a",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 26
  },
  "hsl": {
    "h": 359.496,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42474,
    "c": 0.15404,
    "h": 26.5
  },
  "luminance": 0.06699
}

Semantic roles & 50–950 ramp

primary

#90191A

secondary

#45C0BF

accent

#EDEC3B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90191A

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

Preview Lab → · Contrast checker → · Palette generator →