#644E2A#644E2A

#644E2A is a dark, muted orange. Relative luminance 0.083; OKLCH L 43.8% C 0.060 H 78.5°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX#644E2A
RGBrgb(100, 78, 42)
HSLhsl(37, 41%, 28%)
HSVhsv(37, 58%, 39%)
CMYKcmyk(0%, 22%, 58%, 60.8%)
CIE-LABlab(34.65, 4.37, 24.63)
CIE-LCHlch(34.65, 25.02, 79.94°)
OKLaboklab(43.83% 0.0119 0.0585)
OKLCHoklch(43.83% 0.06 78.5)
XYZxyz(8.3982, 8.3258, 3.3547)
Luminance0.0833 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E2A #2A4064
analogous
#64312A #644E2A #5D642A
triadic
#644E2A #2A644E #4E2A64
tetradic
#644E2A #2A6431 #2A4064 #642A5D
square
#644E2A #2A6431 #2A4064 #642A5D
split-complementary
#644E2A #2A5D64 #312A64
monochromatic
#161109 #392C18 #644E2A #8F703C #B69052

Accessibility & contrast

On white

7.88
#644E2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#644E2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E2A
7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E2A#FFFFFF#000000##FFFFFF
##644E2A1.007.882.677.88
#FFFFFF7.881.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E27
Deuteranopia (green-blind)
#5C542B
Tritanopia (blue-blind)
#6C4845
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644e2a;
/* rgb */ color: rgb(100, 78, 42);
/* oklch */ color: oklch(43.8% 0.060 78.5);
Tailwind
colors: {
  custom: {
    50: '#927f64',
    500: '#644e2a',
    950: '#000000',
  },
}
SCSS
$custom: #644e2a;
$custom-light: #927f64;
$custom-dark: #000000;
JSON
{
  "hex": "#644e2a",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 42
  },
  "hsl": {
    "h": 37.241,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43829,
    "c": 0.05971,
    "h": 78.5
  },
  "luminance": 0.08325
}

Semantic roles & 50–950 ramp

primary
#644E2A
secondary
#536D96
accent
#85D157
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0A05
muted
#7E7C7A

Preview Lab

Preview with #644E2A

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

Preview Lab → · Contrast checker → · Palette generator →

#644E2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva