#90371A#90371A

#90371A is a mid, vivid red. Relative luminance 0.087; OKLCH L 45.7% C 0.128 H 37.8°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#90371A
RGB	rgb(144, 55, 26)
HSL	hsl(15, 69%, 33%)
HSV	hsv(15, 82%, 56%)
CMYK	cmyk(0%, 61.8%, 81.9%, 43.5%)
CIE-LAB	lab(35.48, 36.11, 36.19)
CIE-LCH	lch(35.48, 51.12, 45.07°)
OKLab	oklab(45.74% 0.1008 0.0783)
OKLCH	oklch(45.74% 0.128 37.8)
XYZ	xyz(13.0557, 8.7381, 1.9762)
Luminance	0.0874 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90371A #1A7390

analogous

#901A38 #90371A #90721A

triadic

#90371A #1A9037 #371A90

tetradic

#90371A #38901A #1A7390 #721A90

square

#90371A #38901A #1A7390 #721A90

split-complementary

#90371A #1A9072 #1A3890

monochromatic

#280F07 #5C2311 #90371A #C44B23 #DE6C47

Accessibility & contrast

On white

7.64

#90371A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#90371A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90371A

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90371A	#FFFFFF	#000000	##FFFFFF
##90371A	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)

#504716

Deuteranopia (green-blind)

#665B17

Tritanopia (blue-blind)

#9F2131

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #90371a;
/* rgb */ color: rgb(144, 55, 26);
/* oklch */ color: oklch(45.7% 0.128 37.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#90371a",
  "rgb": {
    "r": 144,
    "g": 55,
    "b": 26
  },
  "hsl": {
    "h": 14.746,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4574,
    "c": 0.12761,
    "h": 37.8
  },
  "luminance": 0.08736
}

Semantic roles & 50–950 ramp

primary

#90371A

secondary

#47A2BF

accent

#C1EC3C

background

#FCF7F5

surface

#F8EDE9

border

#D1C8C5

text

#130803

muted

#827B78

Preview Lab

Preview with #90371A

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

Preview Lab → · Contrast checker → · Palette generator →