#90391F#90391F

#90391F is a mid, vivid red. Relative luminance 0.090; OKLCH L 46.1% C 0.124 H 37.0°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#90391F
RGBrgb(144, 57, 31)
HSLhsl(14, 65%, 34%)
HSVhsv(14, 78%, 56%)
CMYKcmyk(0%, 60.4%, 78.5%, 43.5%)
CIE-LABlab(35.90, 35.31, 33.96)
CIE-LCHlch(35.90, 48.99, 43.89°)
OKLaboklab(46.08% 0.0993 0.0749)
OKLCHoklch(46.08% 0.124 37)
XYZxyz(13.2134, 8.9563, 2.3290)
Luminance0.0895 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90391F #1F7690
analogous
#901F3E #90391F #90721F
triadic
#90391F #1F9039 #391F90
tetradic
#90391F #3E901F #1F7690 #721F90
square
#90391F #3E901F #1F7690 #721F90
split-complementary
#90391F #1F9072 #1F3E90
monochromatic
#2B1109 #5E2514 #90391F #C24D2A #D97050

Accessibility & contrast

On white

7.52
#90391F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.79
#90391F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90391F
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90391F#FFFFFF#000000##FFFFFF
##90391F1.007.522.797.52
#FFFFFF7.521.0021.001.00
#0000002.7921.001.0021.00
##FFFFFF7.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51481C
Deuteranopia (green-blind)
#675C1C
Tritanopia (blue-blind)
#9F2534
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #90391f;
/* rgb */ color: rgb(144, 57, 31);
/* oklch */ color: oklch(46.1% 0.124 37.0);
Tailwind
colors: {
  custom: {
    50: '#b7735c',
    500: '#90391f',
    950: '#000000',
  },
}
SCSS
$custom: #90391f;
$custom-light: #b7735c;
$custom-dark: #000000;
JSON
{
  "hex": "#90391f",
  "rgb": {
    "r": 144,
    "g": 57,
    "b": 31
  },
  "hsl": {
    "h": 13.805,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.46077,
    "c": 0.12438,
    "h": 37
  },
  "luminance": 0.08954
}

Semantic roles & 50–950 ramp

primary
#90391F
secondary
#4EA3BC
accent
#C1E840
background
#FCF7F5
surface
#F8EDE9
border
#D1C8C5
text
#130804
muted
#827B79

Preview Lab

Preview with #90391F

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

Preview Lab → · Contrast checker → · Palette generator →

#90391F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva