#90191D#90191D

#90191D is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.5% C 0.154 H 25.4°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#90191D
RGB	rgb(144, 25, 29)
HSL	hsl(358, 70%, 33%)
HSV	hsv(358, 83%, 56%)
CMYK	cmyk(0%, 82.6%, 79.9%, 43.5%)
CIE-LAB	lab(31.15, 48.11, 30.13)
CIE-LCH	lch(31.15, 56.76, 32.06°)
OKLab	oklab(42.51% 0.1388 0.066)
OKLCH	oklch(42.51% 0.154 25.4)
XYZ	xyz(12.0725, 6.7152, 1.8227)
Luminance	0.0671 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90191D #19908C

analogous

#901958 #90191D #905019

triadic

#90191D #1D9019 #191D90

tetradic

#90191D #589019 #19908C #501990

square

#90191D #589019 #19908C #501990

split-complementary

#90191D #199050 #195890

monochromatic

#280708 #5C1012 #90191D #C42228 #DF454A

Accessibility & contrast

On white

8.96

#90191D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#90191D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90191D

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90191D	#FFFFFF	#000000	##FFFFFF
##90191D	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)

#3F391C

Deuteranopia (green-blind)

#5C5218

Tritanopia (blue-blind)

#9F001C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90191d;
/* rgb */ color: rgb(144, 25, 29);
/* oklch */ color: oklch(42.5% 0.154 25.4);

Tailwind

colors: {
  custom: {
    50: '#b96359',
    500: '#90191d',
    950: '#000000',
  },
}

SCSS

$custom: #90191d;
$custom-light: #b96359;
$custom-dark: #000000;

JSON

{
  "hex": "#90191d",
  "rgb": {
    "r": 144,
    "g": 25,
    "b": 29
  },
  "hsl": {
    "h": 357.983,
    "s": 70.414,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42509,
    "c": 0.1537,
    "h": 25.4
  },
  "luminance": 0.06713
}

Semantic roles & 50–950 ramp

primary

#90191D

secondary

#45C0BC

accent

#EDE73B

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90191D

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

Preview Lab → · Contrast checker → · Palette generator →