#90271B#90271B

#90271B is a dark, vivid red. Relative luminance 0.075; OKLCH L 43.8% C 0.143 H 30.2°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#90271B
RGB	rgb(144, 39, 27)
HSL	hsl(6, 68%, 34%)
HSV	hsv(6, 81%, 56%)
CMYK	cmyk(0%, 72.9%, 81.3%, 43.5%)
CIE-LAB	lab(32.84, 43.27, 33.04)
CIE-LCH	lch(32.84, 54.44, 37.36°)
OKLab	oklab(43.76% 0.1232 0.0717)
OKLCH	oklch(43.76% 0.143 30.2)
XYZ	xyz(12.4264, 7.4614, 1.8226)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90271B #1B8490

analogous

#901B49 #90271B #90611B

triadic

#90271B #1B9027 #271B90

tetradic

#90271B #49901B #1B8490 #611B90

square

#90271B #49901B #1B8490 #611B90

split-complementary

#90271B #1B9061 #1B4990

monochromatic

#290B08 #5C1911 #90271B #C43525 #DD5849

Accessibility & contrast

On white

8.43

#90271B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#90271B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90271B

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90271B	#FFFFFF	#000000	##FFFFFF
##90271B	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F19

Deuteranopia (green-blind)

#605616

Tritanopia (blue-blind)

#9F0025

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90271b;
/* rgb */ color: rgb(144, 39, 27);
/* oklch */ color: oklch(43.8% 0.143 30.2);

Tailwind

colors: {
  custom: {
    50: '#b96958',
    500: '#90271b',
    950: '#000000',
  },
}

SCSS

$custom: #90271b;
$custom-light: #b96958;
$custom-dark: #000000;

JSON

{
  "hex": "#90271b",
  "rgb": {
    "r": 144,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 6.154,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43758,
    "c": 0.14253,
    "h": 30.2
  },
  "luminance": 0.07459
}

Semantic roles & 50–950 ramp

primary

#90271B

secondary

#48B2BF

accent

#D9EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130703

muted

#827A78

Preview Lab

Preview with #90271B

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

Preview Lab → · Contrast checker → · Palette generator →