#90251B#90251B

#90251B is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.5% C 0.144 H 29.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#90251B
RGB	rgb(144, 37, 27)
HSL	hsl(5, 68%, 34%)
HSV	hsv(5, 81%, 56%)
CMYK	cmyk(0%, 74.3%, 81.3%, 43.5%)
CIE-LAB	lab(32.55, 44.05, 32.75)
CIE-LCH	lch(32.55, 54.89, 36.63°)
OKLab	oklab(43.55% 0.1256 0.0711)
OKLCH	oklch(43.55% 0.144 29.5)
XYZ	xyz(12.3625, 7.3335, 1.8013)
Luminance	0.0733 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90251B #1B8690

analogous

#901B4B #90251B #905F1B

triadic

#90251B #1B9025 #251B90

tetradic

#90251B #4B901B #1B8690 #5F1B90

square

#90251B #4B901B #1B8690 #5F1B90

split-complementary

#90251B #1B905F #1B4B90

monochromatic

#290B08 #5C1811 #90251B #C43225 #DD5549

Accessibility & contrast

On white

8.51

#90251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#90251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90251B

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90251B	#FFFFFF	#000000	##FFFFFF
##90251B	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E19

Deuteranopia (green-blind)

#605516

Tritanopia (blue-blind)

#9F0024

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90251b;
/* rgb */ color: rgb(144, 37, 27);
/* oklch */ color: oklch(43.5% 0.144 29.5);

Tailwind

colors: {
  custom: {
    50: '#b96858',
    500: '#90251b',
    950: '#000000',
  },
}

SCSS

$custom: #90251b;
$custom-light: #b96858;
$custom-dark: #000000;

JSON

{
  "hex": "#90251b",
  "rgb": {
    "r": 144,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 5.128,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43548,
    "c": 0.14432,
    "h": 29.5
  },
  "luminance": 0.07332
}

Semantic roles & 50–950 ramp

primary

#90251B

secondary

#48B4BF

accent

#DCEB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90251B

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

Preview Lab → · Contrast checker → · Palette generator →