#644C15#644C15

#644C15 is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.077 H 84.1°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX#644C15
RGBrgb(100, 76, 21)
HSLhsl(42, 65%, 24%)
HSVhsv(42, 79%, 39%)
CMYKcmyk(0%, 24%, 79%, 60.8%)
CIE-LABlab(33.84, 4.06, 34.80)
CIE-LCHlch(33.84, 35.03, 83.34°)
OKLaboklab(43.12% 0.0079 0.0769)
OKLCHoklch(43.12% 0.077 84.1)
XYZxyz(7.9758, 7.9329, 1.8204)
Luminance0.0793 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C15 #152D64
analogous
#642415 #644C15 #546415
triadic
#644C15 #15644C #4C1564
tetradic
#644C15 #156424 #152D64 #641554
square
#644C15 #156424 #152D64 #641554
split-complementary
#644C15 #155464 #241564
monochromatic
#191305 #31260A #644C15 #977220 #C9992A

Accessibility & contrast

On white

8.12
#644C15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#644C15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C15
8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C15#FFFFFF#000000##FFFFFF
##644C151.008.122.598.12
#FFFFFF8.121.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564C0D
Deuteranopia (green-blind)
#5C5218
Tritanopia (blue-blind)
#6D4441
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c15;
/* rgb */ color: rgb(100, 76, 21);
/* oklch */ color: oklch(43.1% 0.077 84.1);
Tailwind
colors: {
  custom: {
    50: '#947d56',
    500: '#644c15',
    950: '#000000',
  },
}
SCSS
$custom: #644c15;
$custom-light: #947d56;
$custom-dark: #000000;
JSON
{
  "hex": "#644c15",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 21
  },
  "hsl": {
    "h": 41.772,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43119,
    "c": 0.07726,
    "h": 84.1
  },
  "luminance": 0.07932
}

Semantic roles & 50–950 ramp

primary
#644C15
secondary
#3A579B
accent
#73E840
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0903
muted
#7E7B78

Preview Lab

Preview with #644C15

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

Preview Lab → · Contrast checker → · Palette generator →

#644C15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva