#90381B#90381B

#90381B is a mid, vivid red. Relative luminance 0.088; OKLCH L 45.9% C 0.126 H 38.0°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#90381B
RGB	rgb(144, 56, 27)
HSL	hsl(15, 68%, 34%)
HSV	hsv(15, 81%, 56%)
CMYK	cmyk(0%, 61.1%, 81.3%, 43.5%)
CIE-LAB	lab(35.67, 35.65, 35.86)
CIE-LCH	lch(35.67, 50.57, 45.17°)
OKLab	oklab(45.89% 0.0996 0.0779)
OKLCH	oklch(45.89% 0.126 38)
XYZ	xyz(13.1150, 8.8386, 2.0521)
Luminance	0.0884 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90381B #1B7390

analogous

#901B38 #90381B #90721B

triadic

#90381B #1B9038 #381B90

tetradic

#90381B #38901B #1B7390 #721B90

square

#90381B #38901B #1B7390 #721B90

split-complementary

#90381B #1B9072 #1B3890

monochromatic

#291008 #5C2411 #90381B #C44C25 #DD6D49

Accessibility & contrast

On white

7.59

#90381B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#90381B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90381B

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90381B	#FFFFFF	#000000	##FFFFFF
##90381B	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514817

Deuteranopia (green-blind)

#665B18

Tritanopia (blue-blind)

#9F2332

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #90381b;
/* rgb */ color: rgb(144, 56, 27);
/* oklch */ color: oklch(45.9% 0.126 38.0);

Tailwind

colors: {
  custom: {
    50: '#b87259',
    500: '#90381b',
    950: '#000000',
  },
}

SCSS

$custom: #90381b;
$custom-light: #b87259;
$custom-dark: #000000;

JSON

{
  "hex": "#90381b",
  "rgb": {
    "r": 144,
    "g": 56,
    "b": 27
  },
  "hsl": {
    "h": 14.872,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.45892,
    "c": 0.12641,
    "h": 38
  },
  "luminance": 0.08837
}

Semantic roles & 50–950 ramp

primary

#90381B

secondary

#48A1BF

accent

#C0EB3D

background

#FCF7F5

surface

#F8EDE9

border

#D1C8C5

text

#130804

muted

#827B79

Preview Lab

Preview with #90381B

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

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