#903B18#903B18

#903B18 is a mid, vivid orange. Relative luminance 0.091; OKLCH L 46.3% C 0.124 H 40.8°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX#903B18
RGBrgb(144, 59, 24)
HSLhsl(18, 71%, 33%)
HSVhsv(18, 83%, 56%)
CMYKcmyk(0%, 59%, 83.3%, 43.5%)
CIE-LABlab(36.22, 34.03, 37.91)
CIE-LCHlch(36.22, 50.94, 48.08°)
OKLaboklab(46.3% 0.0941 0.0814)
OKLCHoklch(46.3% 0.124 40.8)
XYZxyz(13.2318, 9.1250, 1.9285)
Luminance0.0912 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#903B18 #186D90
analogous
#901831 #903B18 #907718
triadic
#903B18 #18903B #3B1890
tetradic
#903B18 #319018 #186D90 #771890
square
#903B18 #319018 #186D90 #771890
split-complementary
#903B18 #189077 #183190
monochromatic
#271007 #5C260F #903B18 #C45021 #E07143

Accessibility & contrast

On white

7.43
#903B18 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.82
#903B18 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #903B18
7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##903B18#FFFFFF#000000##FFFFFF
##903B181.007.432.827.43
#FFFFFF7.431.0021.001.00
#0000002.8221.001.0021.00
##FFFFFF7.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534913
Deuteranopia (green-blind)
#685C15
Tritanopia (blue-blind)
#9F2734
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #903b18;
/* rgb */ color: rgb(144, 59, 24);
/* oklch */ color: oklch(46.3% 0.124 40.8);
Tailwind
colors: {
  custom: {
    50: '#b87458',
    500: '#903b18',
    950: '#000000',
  },
}
SCSS
$custom: #903b18;
$custom-light: #b87458;
$custom-dark: #000000;
JSON
{
  "hex": "#903b18",
  "rgb": {
    "r": 144,
    "g": 59,
    "b": 24
  },
  "hsl": {
    "h": 17.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.46302,
    "c": 0.1244,
    "h": 40.8
  },
  "luminance": 0.09123
}

Semantic roles & 50–950 ramp

primary
#903B18
secondary
#439CC0
accent
#BAEE3A
background
#FCF7F5
surface
#F8EDE9
border
#D1C8C5
text
#130803
muted
#827B78

Preview Lab

Preview with #903B18

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

Preview Lab → · Contrast checker → · Palette generator →

#903B18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva