#90211B#90211B

#90211B is a dark, vivid red. Relative luminance 0.071; OKLCH L 43.2% C 0.148 H 28.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#90211B
RGB	rgb(144, 33, 27)
HSL	hsl(3, 68%, 34%)
HSV	hsv(3, 81%, 56%)
CMYK	cmyk(0%, 77.1%, 81.3%, 43.5%)
CIE-LAB	lab(32.03, 45.50, 32.22)
CIE-LCH	lch(32.03, 55.76, 35.30°)
OKLab	oklab(43.16% 0.1302 0.0699)
OKLCH	oklch(43.16% 0.148 28.2)
XYZ	xyz(12.2448, 7.0981, 1.7620)
Luminance	0.0710 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90211B #1B8A90

analogous

#901B4F #90211B #905B1B

triadic

#90211B #1B9021 #211B90

tetradic

#90211B #4F901B #1B8A90 #5B1B90

square

#90211B #4F901B #1B8A90 #5B1B90

split-complementary

#90211B #1B905B #1B4F90

monochromatic

#290908 #5C1511 #90211B #C42D25 #DD5049

Accessibility & contrast

On white

8.68

#90211B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#90211B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90211B

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90211B	#FFFFFF	#000000	##FFFFFF
##90211B	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C19

Deuteranopia (green-blind)

#5E5416

Tritanopia (blue-blind)

#9F0021

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #90211b;
/* rgb */ color: rgb(144, 33, 27);
/* oklch */ color: oklch(43.2% 0.148 28.2);

Tailwind

colors: {
  custom: {
    50: '#b96658',
    500: '#90211b',
    950: '#000000',
  },
}

SCSS

$custom: #90211b;
$custom-light: #b96658;
$custom-dark: #000000;

JSON

{
  "hex": "#90211b",
  "rgb": {
    "r": 144,
    "g": 33,
    "b": 27
  },
  "hsl": {
    "h": 3.077,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43156,
    "c": 0.14776,
    "h": 28.2
  },
  "luminance": 0.07096
}

Semantic roles & 50–950 ramp

primary

#90211B

secondary

#48B9BF

accent

#E2EB3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130603

muted

#827A78

Preview Lab

Preview with #90211B

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

Preview Lab → · Contrast checker → · Palette generator →