#644D1C#644D1C

#644D1C is a dark, moderate orange. Relative luminance 0.081; OKLCH L 43.4% C 0.072 H 83.4°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#644D1C
RGBrgb(100, 77, 28)
HSLhsl(41, 56%, 25%)
HSVhsv(41, 72%, 39%)
CMYKcmyk(0%, 23%, 72%, 60.8%)
CIE-LABlab(34.19, 3.86, 31.78)
CIE-LCHlch(34.19, 32.02, 83.08°)
OKLaboklab(43.41% 0.0083 0.0719)
OKLCHoklch(43.41% 0.072 83.4)
XYZxyz(8.1195, 8.1015, 2.2345)
Luminance0.0810 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D1C #1C3364
analogous
#64291C #644D1C #57641C
triadic
#644D1C #1C644D #4D1C64
tetradic
#644D1C #1C6429 #1C3364 #641C57
square
#644D1C #1C6429 #1C3364 #641C57
split-complementary
#644D1C #1C5764 #291C64
monochromatic
#181207 #34280F #644D1C #947229 #C49737

Accessibility & contrast

On white

8.01
#644D1C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#644D1C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D1C
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D1C#FFFFFF#000000##FFFFFF
##644D1C1.008.012.628.01
#FFFFFF8.011.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574D16
Deuteranopia (green-blind)
#5C531E
Tritanopia (blue-blind)
#6D4643
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644d1c;
/* rgb */ color: rgb(100, 77, 28);
/* oklch */ color: oklch(43.4% 0.072 83.4);
Tailwind
colors: {
  custom: {
    50: '#937e5b',
    500: '#644d1c',
    950: '#000000',
  },
}
SCSS
$custom: #644d1c;
$custom-light: #937e5b;
$custom-dark: #000000;
JSON
{
  "hex": "#644d1c",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 28
  },
  "hsl": {
    "h": 40.833,
    "s": 56.25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.43414,
    "c": 0.07241,
    "h": 83.4
  },
  "luminance": 0.08101
}

Semantic roles & 50–950 ramp

primary
#644D1C
secondary
#435E99
accent
#79E048
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0904
muted
#7E7B79

Preview Lab

Preview with #644D1C

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

Preview Lab → · Contrast checker → · Palette generator →

#644D1C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva