#90271D#90271D

#90271D is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.8% C 0.142 H 29.4°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#90271D
RGB	rgb(144, 39, 29)
HSL	hsl(5, 66%, 34%)
HSV	hsv(5, 80%, 56%)
CMYK	cmyk(0%, 72.9%, 79.9%, 43.5%)
CIE-LAB	lab(32.86, 43.35, 31.92)
CIE-LCH	lch(32.86, 53.83, 36.37°)
OKLab	oklab(43.78% 0.1238 0.0699)
OKLCH	oklch(43.78% 0.142 29.4)
XYZ	xyz(12.4503, 7.4709, 1.9486)
Luminance	0.0747 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90271D #1D8690

analogous

#901D4D #90271D #90611D

triadic

#90271D #1D9027 #271D90

tetradic

#90271D #4D901D #1D8690 #611D90

square

#90271D #4D901D #1D8690 #611D90

split-complementary

#90271D #1D9061 #1D4D90

monochromatic

#2A0B08 #5D1913 #90271D #C33527 #DB594C

Accessibility & contrast

On white

8.42

#90271D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#90271D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90271D

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90271D	#FFFFFF	#000000	##FFFFFF
##90271D	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1B

Deuteranopia (green-blind)

#605619

Tritanopia (blue-blind)

#9F0026

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90271d;
/* rgb */ color: rgb(144, 39, 29);
/* oklch */ color: oklch(43.8% 0.142 29.4);

Tailwind

colors: {
  custom: {
    50: '#b9695a',
    500: '#90271d',
    950: '#000000',
  },
}

SCSS

$custom: #90271d;
$custom-light: #b9695a;
$custom-dark: #000000;

JSON

{
  "hex": "#90271d",
  "rgb": {
    "r": 144,
    "g": 39,
    "b": 29
  },
  "hsl": {
    "h": 5.217,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.4378,
    "c": 0.1422,
    "h": 29.4
  },
  "luminance": 0.07469
}

Semantic roles & 50–950 ramp

primary

#90271D

secondary

#4BB4BD

accent

#DBE93E

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130704

muted

#827A79

Preview Lab

Preview with #90271D

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

Preview Lab → · Contrast checker → · Palette generator →