#644C2C#644C2C

#644C2C is a dark, muted orange. Relative luminance 0.081; OKLCH L 43.4% C 0.057 H 73.3°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX#644C2C
RGBrgb(100, 76, 44)
HSLhsl(34, 39%, 28%)
HSVhsv(34, 56%, 39%)
CMYKcmyk(0%, 24%, 56%, 60.8%)
CIE-LABlab(34.11, 5.80, 22.80)
CIE-LCHlch(34.11, 23.52, 75.73°)
OKLaboklab(43.41% 0.0164 0.0546)
OKLCHoklch(43.41% 0.057 73.3)
XYZxyz(8.2950, 8.0606, 3.5013)
Luminance0.0806 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644C2C #2C4464
analogous
#64302C #644C2C #60642C
triadic
#644C2C #2C644C #4C2C64
tetradic
#644C2C #2C6430 #2C4464 #642C60
square
#644C2C #2C6430 #2C4464 #642C60
split-complementary
#644C2C #2C6064 #302C64
monochromatic
#151009 #392C19 #644C2C #8E6C3F #B58C56

Accessibility & contrast

On white

8.04
#644C2C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.61
#644C2C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644C2C
8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644C2C#FFFFFF#000000##FFFFFF
##644C2C1.008.042.618.04
#FFFFFF8.041.0021.001.00
#0000002.6121.001.0021.00
##FFFFFF8.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554D29
Deuteranopia (green-blind)
#5A532D
Tritanopia (blue-blind)
#6C4644
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #644c2c;
/* rgb */ color: rgb(100, 76, 44);
/* oklch */ color: oklch(43.4% 0.057 73.3);
Tailwind
colors: {
  custom: {
    50: '#927e66',
    500: '#644c2c',
    950: '#000000',
  },
}
SCSS
$custom: #644c2c;
$custom-light: #927e66;
$custom-dark: #000000;
JSON
{
  "hex": "#644c2c",
  "rgb": {
    "r": 100,
    "g": 76,
    "b": 44
  },
  "hsl": {
    "h": 34.286,
    "s": 38.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.43413,
    "c": 0.05703,
    "h": 73.3
  },
  "luminance": 0.0806
}

Semantic roles & 50–950 ramp

primary
#644C2C
secondary
#567196
accent
#8BCF59
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0906
muted
#7E7B7A

Preview Lab

Preview with #644C2C

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

Preview Lab → · Contrast checker → · Palette generator →

#644C2C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva