#644D1E#644D1E

#644D1E is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.4% C 0.071 H 82.7°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#644D1E
RGBrgb(100, 77, 30)
HSLhsl(40, 54%, 25%)
HSVhsv(40, 70%, 39%)
CMYKcmyk(0%, 23%, 70%, 60.8%)
CIE-LABlab(34.21, 3.99, 30.78)
CIE-LCHlch(34.21, 31.03, 82.61°)
OKLaboklab(43.44% 0.009 0.0702)
OKLCHoklch(43.44% 0.071 82.7)
XYZxyz(8.1442, 8.1114, 2.3647)
Luminance0.0811 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D1E #1E3564
analogous
#642A1E #644D1E #58641E
triadic
#644D1E #1E644D #4D1E64
tetradic
#644D1E #1E642A #1E3564 #641E58
square
#644D1E #1E642A #1E3564 #641E58
split-complementary
#644D1E #1E5864 #2A1E64
monochromatic
#181207 #352910 #644D1E #93712C #C2953A

Accessibility & contrast

On white

8.01
#644D1E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#644D1E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D1E
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D1E#FFFFFF#000000##FFFFFF
##644D1E1.008.012.628.01
#FFFFFF8.011.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D19
Deuteranopia (green-blind)
#5C5320
Tritanopia (blue-blind)
#6D4643
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644d1e;
/* rgb */ color: rgb(100, 77, 30);
/* oklch */ color: oklch(43.4% 0.071 82.7);
Tailwind
colors: {
  custom: {
    50: '#937e5c',
    500: '#644d1e',
    950: '#000000',
  },
}
SCSS
$custom: #644d1e;
$custom-light: #937e5c;
$custom-dark: #000000;
JSON
{
  "hex": "#644d1e",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 30
  },
  "hsl": {
    "h": 40.286,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.43436,
    "c": 0.07073,
    "h": 82.7
  },
  "luminance": 0.08111
}

Semantic roles & 50–950 ramp

primary
#644D1E
secondary
#456199
accent
#7BDD4B
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0904
muted
#7E7B79

Preview Lab

Preview with #644D1E

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

Preview Lab → · Contrast checker → · Palette generator →

#644D1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva