#90373F#90373F

#90373F is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.3% C 0.121 H 17.8°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX#90373F
RGBrgb(144, 55, 63)
HSLhsl(355, 45%, 39%)
HSVhsv(355, 62%, 56%)
CMYKcmyk(0%, 61.8%, 56.3%, 43.5%)
CIE-LABlab(36.03, 38.33, 14.81)
CIE-LCHlch(36.03, 41.09, 21.12°)
OKLaboklab(46.33% 0.1148 0.0368)
OKLCHoklch(46.33% 0.121 17.8)
XYZxyz(13.7662, 9.0223, 5.7182)
Luminance0.0902 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90373F #379088
analogous
#90376C #90373F #905C37
triadic
#90373F #3F9037 #373F90
tetradic
#90373F #6C9037 #379088 #5C3790
square
#90373F #6C9037 #379088 #5C3790
split-complementary
#90373F #37905C #376C90
monochromatic
#371518 #64262C #90373F #BA4A54 #CB777E

Accessibility & contrast

On white

7.49
#90373F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#90373F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90373F
7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90373F#FFFFFF#000000##FFFFFF
##90373F1.007.492.807.49
#FFFFFF7.491.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.491.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C493F
Deuteranopia (green-blind)
#635C3D
Tritanopia (blue-blind)
#9D283A
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #90373f;
/* rgb */ color: rgb(144, 55, 63);
/* oklch */ color: oklch(46.3% 0.121 17.8);
Tailwind
colors: {
  custom: {
    50: '#b57273',
    500: '#90373f',
    950: '#000000',
  },
}
SCSS
$custom: #90373f;
$custom-light: #b57273;
$custom-dark: #000000;
JSON
{
  "hex": "#90373f",
  "rgb": {
    "r": 144,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 354.607,
    "s": 44.724,
    "l": 39.02
  },
  "oklch": {
    "l": 0.46334,
    "c": 0.12055,
    "h": 17.8
  },
  "luminance": 0.09021
}

Semantic roles & 50–950 ramp

primary
#90373F
secondary
#6FB4AE
accent
#D4C953
background
#FBF7F7
surface
#F6EDED
border
#D0C8C8
text
#120808
muted
#817B7B

Preview Lab

Preview with #90373F

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

Preview Lab → · Contrast checker → · Palette generator →

#90373F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva