#644E15#644E15

#644E15 is a dark, moderate orange. Relative luminance 0.082; OKLCH L 43.6% C 0.078 H 86.8°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#644E15
RGBrgb(100, 78, 21)
HSLhsl(43, 65%, 24%)
HSVhsv(43, 79%, 39%)
CMYKcmyk(0%, 22%, 79%, 60.8%)
CIE-LABlab(34.42, 2.84, 35.36)
CIE-LCHlch(34.42, 35.47, 85.41°)
OKLaboklab(43.57% 0.0044 0.0781)
OKLCHoklch(43.57% 0.078 86.8)
XYZxyz(8.1158, 8.2128, 1.8671)
Luminance0.0821 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E15 #152B64
analogous
#642615 #644E15 #526415
triadic
#644E15 #15644E #4E1564
tetradic
#644E15 #156426 #152B64 #641552
square
#644E15 #156426 #152B64 #641552
split-complementary
#644E15 #155264 #261564
monochromatic
#191405 #31270A #644E15 #977520 #C99D2A

Accessibility & contrast

On white

7.95
#644E15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#644E15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E15
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E15#FFFFFF#000000##FFFFFF
##644E151.007.952.647.95
#FFFFFF7.951.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584E0C
Deuteranopia (green-blind)
#5D5318
Tritanopia (blue-blind)
#6D4643
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644e15;
/* rgb */ color: rgb(100, 78, 21);
/* oklch */ color: oklch(43.6% 0.078 86.8);
Tailwind
colors: {
  custom: {
    50: '#937f57',
    500: '#644e15',
    950: '#000000',
  },
}
SCSS
$custom: #644e15;
$custom-light: #937f57;
$custom-dark: #000000;
JSON
{
  "hex": "#644e15",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 21
  },
  "hsl": {
    "h": 43.291,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43574,
    "c": 0.07818,
    "h": 86.8
  },
  "luminance": 0.08212
}

Semantic roles & 50–950 ramp

primary
#644E15
secondary
#3A559B
accent
#6FE840
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0E0A03
muted
#7E7C78

Preview Lab

Preview with #644E15

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

Preview Lab → · Contrast checker → · Palette generator →

#644E15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva