#90271F#90271F

#90271F is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.8% C 0.142 H 28.6°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#90271F
RGB	rgb(144, 39, 31)
HSL	hsl(4, 65%, 34%)
HSV	hsv(4, 78%, 56%)
CMYK	cmyk(0%, 72.9%, 78.5%, 43.5%)
CIE-LAB	lab(32.88, 43.42, 30.78)
CIE-LCH	lch(32.88, 53.23, 35.33°)
OKLab	oklab(43.8% 0.1245 0.068)
OKLCH	oklch(43.8% 0.142 28.6)
XYZ	xyz(12.4759, 7.4812, 2.0831)
Luminance	0.0748 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90271F #1F8890

analogous

#901F50 #90271F #90601F

triadic

#90271F #1F9027 #271F90

tetradic

#90271F #50901F #1F8890 #601F90

square

#90271F #50901F #1F8890 #601F90

split-complementary

#90271F #1F9060 #1F5090

monochromatic

#2B0C09 #5E1914 #90271F #C2352A #D95A50

Accessibility & contrast

On white

8.41

#90271F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#90271F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90271F

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90271F	#FFFFFF	#000000	##FFFFFF
##90271F	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1D

Deuteranopia (green-blind)

#60561B

Tritanopia (blue-blind)

#9F0026

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90271f;
/* rgb */ color: rgb(144, 39, 31);
/* oklch */ color: oklch(43.8% 0.142 28.6);

Tailwind

colors: {
  custom: {
    50: '#b8695b',
    500: '#90271f',
    950: '#000000',
  },
}

SCSS

$custom: #90271f;
$custom-light: #b8695b;
$custom-dark: #000000;

JSON

{
  "hex": "#90271f",
  "rgb": {
    "r": 144,
    "g": 39,
    "b": 31
  },
  "hsl": {
    "h": 4.248,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43804,
    "c": 0.14187,
    "h": 28.6
  },
  "luminance": 0.07479
}

Semantic roles & 50–950 ramp

primary

#90271F

secondary

#4EB5BC

accent

#DCE840

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130704

muted

#827A79

Preview Lab

Preview with #90271F

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

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