#644E2D#644E2D

#644E2D is a dark, muted orange. Relative luminance 0.083; OKLCH L 43.9% C 0.057 H 76.6°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#644E2D
RGBrgb(100, 78, 45)
HSLhsl(36, 38%, 28%)
HSVhsv(36, 55%, 39%)
CMYKcmyk(0%, 22%, 55%, 60.8%)
CIE-LABlab(34.70, 4.67, 22.93)
CIE-LCHlch(34.70, 23.40, 78.50°)
OKLaboklab(43.88% 0.0132 0.055)
OKLCHoklch(43.88% 0.057 76.6)
XYZxyz(8.4539, 8.3481, 3.6482)
Luminance0.0835 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E2D #2D4364
analogous
#64322D #644E2D #5E642D
triadic
#644E2D #2D644E #4E2D64
tetradic
#644E2D #2D6432 #2D4364 #642D5E
square
#644E2D #2D6432 #2D4364 #642D5E
split-complementary
#644E2D #2D5E64 #322D64
monochromatic
#151009 #3A2D1A #644E2D #8E6F40 #B48F58

Accessibility & contrast

On white

7.87
#644E2D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#644E2D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E2D
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E2D#FFFFFF#000000##FFFFFF
##644E2D1.007.872.677.87
#FFFFFF7.871.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E2A
Deuteranopia (green-blind)
#5C542E
Tritanopia (blue-blind)
#6C4846
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644e2d;
/* rgb */ color: rgb(100, 78, 45);
/* oklch */ color: oklch(43.9% 0.057 76.6);
Tailwind
colors: {
  custom: {
    50: '#927f66',
    500: '#644e2d',
    950: '#000000',
  },
}
SCSS
$custom: #644e2d;
$custom-light: #927f66;
$custom-dark: #000000;
JSON
{
  "hex": "#644e2d",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 45
  },
  "hsl": {
    "h": 36,
    "s": 37.931,
    "l": 28.431
  },
  "oklch": {
    "l": 0.43879,
    "c": 0.05658,
    "h": 76.6
  },
  "luminance": 0.08348
}

Semantic roles & 50–950 ramp

primary
#644E2D
secondary
#577096
accent
#88CE5A
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0A06
muted
#7E7C7A

Preview Lab

Preview with #644E2D

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

Preview Lab → · Contrast checker → · Palette generator →

#644E2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva