#90241D#90241D

#90241D is a dark, vivid red. Relative luminance 0.073; OKLCH L 43.5% C 0.145 H 28.4°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#90241D
RGB	rgb(144, 36, 29)
HSL	hsl(4, 66%, 34%)
HSV	hsv(4, 80%, 56%)
CMYK	cmyk(0%, 75%, 79.9%, 43.5%)
CIE-LAB	lab(32.44, 44.49, 31.49)
CIE-LCH	lch(32.44, 54.51, 35.28°)
OKLab	oklab(43.47% 0.1274 0.069)
OKLCH	oklch(43.47% 0.145 28.4)
XYZ	xyz(12.3557, 7.2817, 1.9171)
Luminance	0.0728 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90241D #1D8990

analogous

#901D50 #90241D #905E1D

triadic

#90241D #1D9024 #241D90

tetradic

#90241D #50901D #1D8990 #5E1D90

square

#90241D #50901D #1D8990 #5E1D90

split-complementary

#90241D #1D905E #1D5090

monochromatic

#2A0B08 #5D1713 #90241D #C33127 #DB554C

Accessibility & contrast

On white

8.55

#90241D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#90241D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90241D

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90241D	#FFFFFF	#000000	##FFFFFF
##90241D	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D1B

Deuteranopia (green-blind)

#5F5518

Tritanopia (blue-blind)

#9F0024

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #90241d;
/* rgb */ color: rgb(144, 36, 29);
/* oklch */ color: oklch(43.5% 0.145 28.4);

Tailwind

colors: {
  custom: {
    50: '#b9675a',
    500: '#90241d',
    950: '#000000',
  },
}

SCSS

$custom: #90241d;
$custom-light: #b9675a;
$custom-dark: #000000;

JSON

{
  "hex": "#90241d",
  "rgb": {
    "r": 144,
    "g": 36,
    "b": 29
  },
  "hsl": {
    "h": 3.652,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.43469,
    "c": 0.14489,
    "h": 28.4
  },
  "luminance": 0.0728
}

Semantic roles & 50–950 ramp

primary

#90241D

secondary

#4BB7BD

accent

#DFE93E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90241D

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

Preview Lab → · Contrast checker → · Palette generator →