#90371B#90371B

#90371B is a mid, vivid red. Relative luminance 0.087; OKLCH L 45.8% C 0.127 H 37.5°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#90371B
RGB	rgb(144, 55, 27)
HSL	hsl(14, 68%, 34%)
HSV	hsv(14, 81%, 56%)
CMYK	cmyk(0%, 61.8%, 81.3%, 43.5%)
CIE-LAB	lab(35.48, 36.14, 35.68)
CIE-LCH	lch(35.48, 50.79, 44.63°)
OKLab	oklab(45.75% 0.1011 0.0775)
OKLCH	oklch(45.75% 0.127 37.5)
XYZ	xyz(13.0670, 8.7426, 2.0361)
Luminance	0.0874 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90371B #1B7490

analogous

#901B39 #90371B #90711B

triadic

#90371B #1B9037 #371B90

tetradic

#90371B #39901B #1B7490 #711B90

square

#90371B #39901B #1B7490 #711B90

split-complementary

#90371B #1B9071 #1B3990

monochromatic

#291008 #5C2311 #90371B #C44B25 #DD6C49

Accessibility & contrast

On white

7.64

#90371B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#90371B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90371B

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90371B	#FFFFFF	#000000	##FFFFFF
##90371B	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504717

Deuteranopia (green-blind)

#665B18

Tritanopia (blue-blind)

#9F2131

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #90371b;
/* rgb */ color: rgb(144, 55, 27);
/* oklch */ color: oklch(45.8% 0.127 37.5);

Tailwind

colors: {
  custom: {
    50: '#b87159',
    500: '#90371b',
    950: '#000000',
  },
}

SCSS

$custom: #90371b;
$custom-light: #b87159;
$custom-dark: #000000;

JSON

{
  "hex": "#90371b",
  "rgb": {
    "r": 144,
    "g": 55,
    "b": 27
  },
  "hsl": {
    "h": 14.359,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.4575,
    "c": 0.12735,
    "h": 37.5
  },
  "luminance": 0.08741
}

Semantic roles & 50–950 ramp

primary

#90371B

secondary

#48A2BF

accent

#C1EB3D

background

#FCF7F5

surface

#F8EDE9

border

#D1C8C5

text

#130804

muted

#827B79

Preview Lab

Preview with #90371B

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

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