#90381F#90381F

#90381F is a mid, vivid red. Relative luminance 0.089; OKLCH L 45.9% C 0.125 H 36.5°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#90381F
RGB	rgb(144, 56, 31)
HSL	hsl(13, 65%, 34%)
HSV	hsv(13, 78%, 56%)
CMYK	cmyk(0%, 61.1%, 78.5%, 43.5%)
CIE-LAB	lab(35.71, 35.81, 33.77)
CIE-LCH	lch(35.71, 49.22, 43.32°)
OKLab	oklab(45.93% 0.1008 0.0745)
OKLCH	oklch(45.93% 0.125 36.5)
XYZ	xyz(13.1645, 8.8584, 2.3127)
Luminance	0.0886 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90381F #1F7790

analogous

#901F3F #90381F #90711F

triadic

#90381F #1F9038 #381F90

tetradic

#90381F #3F901F #1F7790 #711F90

square

#90381F #3F901F #1F7790 #711F90

split-complementary

#90381F #1F9071 #1F3F90

monochromatic

#2B1109 #5E2414 #90381F #C24C2A #D96E50

Accessibility & contrast

On white

7.58

#90381F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#90381F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90381F

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90381F	#FFFFFF	#000000	##FFFFFF
##90381F	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481C

Deuteranopia (green-blind)

#665B1C

Tritanopia (blue-blind)

#9F2333

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #90381f;
/* rgb */ color: rgb(144, 56, 31);
/* oklch */ color: oklch(45.9% 0.125 36.5);

Tailwind

colors: {
  custom: {
    50: '#b8725c',
    500: '#90381f',
    950: '#000000',
  },
}

SCSS

$custom: #90381f;
$custom-light: #b8725c;
$custom-dark: #000000;

JSON

{
  "hex": "#90381f",
  "rgb": {
    "r": 144,
    "g": 56,
    "b": 31
  },
  "hsl": {
    "h": 13.274,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.45933,
    "c": 0.12535,
    "h": 36.5
  },
  "luminance": 0.08857
}

Semantic roles & 50–950 ramp

primary

#90381F

secondary

#4EA4BC

accent

#C3E840

background

#FCF7F5

surface

#F8EDE9

border

#D1C8C5

text

#130804

muted

#827B79

Preview Lab

Preview with #90381F

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

Preview Lab → · Contrast checker → · Palette generator →