#90231E#90231E

#90231E is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.4% C 0.146 H 27.7°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#90231E
RGB	rgb(144, 35, 30)
HSL	hsl(3, 66%, 34%)
HSV	hsv(3, 79%, 56%)
CMYK	cmyk(0%, 75.7%, 79.2%, 43.5%)
CIE-LAB	lab(32.32, 44.90, 30.77)
CIE-LCH	lch(32.32, 54.43, 34.43°)
OKLab	oklab(43.38% 0.1289 0.0677)
OKLCH	oklch(43.38% 0.146 27.7)
XYZ	xyz(12.3384, 7.2270, 1.9733)
Luminance	0.0722 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90231E #1E8B90

analogous

#901E52 #90231E #905C1E

triadic

#90231E #1E9023 #231E90

tetradic

#90231E #52901E #1E8B90 #5C1E90

square

#90231E #52901E #1E8B90 #5C1E90

split-complementary

#90231E #1E905C #1E5290

monochromatic

#2B0A09 #5D1713 #90231E #C32F29 #DA544E

Accessibility & contrast

On white

8.59

#90231E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#90231E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90231E

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90231E	#FFFFFF	#000000	##FFFFFF
##90231E	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443D1C

Deuteranopia (green-blind)

#5F5519

Tritanopia (blue-blind)

#9F0023

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #90231e;
/* rgb */ color: rgb(144, 35, 30);
/* oklch */ color: oklch(43.4% 0.146 27.7);

Tailwind

colors: {
  custom: {
    50: '#b9675a',
    500: '#90231e',
    950: '#000000',
  },
}

SCSS

$custom: #90231e;
$custom-light: #b9675a;
$custom-dark: #000000;

JSON

{
  "hex": "#90231e",
  "rgb": {
    "r": 144,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 2.632,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.43382,
    "c": 0.14562,
    "h": 27.7
  },
  "luminance": 0.07225
}

Semantic roles & 50–950 ramp

primary

#90231E

secondary

#4DB8BD

accent

#E1E83F

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #90231E

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

Preview Lab → · Contrast checker → · Palette generator →