#64331B#64331B

#64331B is a dark, moderate orange. Relative luminance 0.052; OKLCH L 38.0% C 0.079 H 45.5°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX#64331B
RGBrgb(100, 51, 27)
HSLhsl(20, 57%, 25%)
HSVhsv(20, 73%, 39%)
CMYKcmyk(0%, 49%, 73%, 60.8%)
CIE-LABlab(27.18, 19.80, 24.63)
CIE-LCHlch(27.18, 31.60, 51.21°)
OKLaboklab(37.96% 0.0555 0.0564)
OKLCHoklch(37.96% 0.079 45.5)
XYZxyz(6.6378, 5.1569, 1.6825)
Luminance0.0516 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64331B #1B4C64
analogous
#641B28 #64331B #64571B
triadic
#64331B #1B6433 #331B64
tetradic
#64331B #28641B #1B4C64 #571B64
square
#64331B #28641B #1B4C64 #571B64
split-complementary
#64331B #1B6457 #1B2864
monochromatic
#180C07 #341A0E #64331B #944C28 #C46435

Accessibility & contrast

On white

10.34
#64331B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#64331B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64331B
10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64331B#FFFFFF#000000##FFFFFF
##64331B1.0010.342.0310.34
#FFFFFF10.341.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#403A19
Deuteranopia (green-blind)
#4C441A
Tritanopia (blue-blind)
#6E292E
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #64331b;
/* rgb */ color: rgb(100, 51, 27);
/* oklch */ color: oklch(38.0% 0.079 45.5);
Tailwind
colors: {
  custom: {
    50: '#946b58',
    500: '#64331b',
    950: '#000000',
  },
}
SCSS
$custom: #64331b;
$custom-light: #946b58;
$custom-dark: #000000;
JSON
{
  "hex": "#64331b",
  "rgb": {
    "r": 100,
    "g": 51,
    "b": 27
  },
  "hsl": {
    "h": 19.726,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.37962,
    "c": 0.07915,
    "h": 45.5
  },
  "luminance": 0.05156
}

Semantic roles & 50–950 ramp

primary
#64331B
secondary
#417C99
accent
#AEE147
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0703
muted
#7E7A78

Preview Lab

Preview with #64331B

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

Preview Lab → · Contrast checker → · Palette generator →

#64331B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva