#644D2A#644D2A

#644D2A is a dark, muted orange. Relative luminance 0.082; OKLCH L 43.6% C 0.059 H 76.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX#644D2A
RGBrgb(100, 77, 42)
HSLhsl(36, 41%, 28%)
HSVhsv(36, 58%, 39%)
CMYKcmyk(0%, 23%, 58%, 60.8%)
CIE-LABlab(34.36, 4.98, 24.28)
CIE-LCHlch(34.36, 24.79, 78.40°)
OKLaboklab(43.6% 0.0137 0.0577)
OKLCHoklch(43.6% 0.059 76.7)
XYZxyz(8.3277, 8.1848, 3.3312)
Luminance0.0818 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644D2A #2A4164
analogous
#64302A #644D2A #5E642A
triadic
#644D2A #2A644D #4D2A64
tetradic
#644D2A #2A6430 #2A4164 #642A5E
square
#644D2A #2A6430 #2A4164 #642A5E
split-complementary
#644D2A #2A5E64 #302A64
monochromatic
#161109 #392C18 #644D2A #8F6E3C #B68F52

Accessibility & contrast

On white

7.96
#644D2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#644D2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D2A
7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644D2A#FFFFFF#000000##FFFFFF
##644D2A1.007.962.647.96
#FFFFFF7.961.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564E27
Deuteranopia (green-blind)
#5B532B
Tritanopia (blue-blind)
#6C4745
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644d2a;
/* rgb */ color: rgb(100, 77, 42);
/* oklch */ color: oklch(43.6% 0.059 76.7);
Tailwind
colors: {
  custom: {
    50: '#927e64',
    500: '#644d2a',
    950: '#000000',
  },
}
SCSS
$custom: #644d2a;
$custom-light: #927e64;
$custom-dark: #000000;
JSON
{
  "hex": "#644d2a",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 42
  },
  "hsl": {
    "h": 36.207,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43603,
    "c": 0.05934,
    "h": 76.7
  },
  "luminance": 0.08184
}

Semantic roles & 50–950 ramp

primary
#644D2A
secondary
#536E96
accent
#87D157
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0A05
muted
#7E7C7A

Preview Lab

Preview with #644D2A

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

Preview Lab → · Contrast checker → · Palette generator →

#644D2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva