#644B2A#644B2A

#644B2A is a dark, muted orange. Relative luminance 0.079; OKLCH L 43.2% C 0.059 H 72.9°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX#644B2A
RGBrgb(100, 75, 42)
HSLhsl(34, 41%, 28%)
HSVhsv(34, 58%, 39%)
CMYKcmyk(0%, 25%, 58%, 60.8%)
CIE-LABlab(33.79, 6.22, 23.59)
CIE-LCHlch(33.79, 24.39, 75.23°)
OKLaboklab(43.16% 0.0173 0.0562)
OKLCHoklch(43.16% 0.059 72.9)
XYZxyz(8.1899, 7.9092, 3.2853)
Luminance0.0791 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644B2A #2A4364
analogous
#642E2A #644B2A #60642A
triadic
#644B2A #2A644B #4B2A64
tetradic
#644B2A #2A642E #2A4364 #642A60
square
#644B2A #2A642E #2A4364 #642A60
split-complementary
#644B2A #2A6064 #2E2A64
monochromatic
#161009 #392B18 #644B2A #8F6B3C #B68B52

Accessibility & contrast

On white

8.13
#644B2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.58
#644B2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B2A
8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644B2A#FFFFFF#000000##FFFFFF
##644B2A1.008.132.588.13
#FFFFFF8.131.0021.001.00
#0000002.5821.001.0021.00
##FFFFFF8.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544C27
Deuteranopia (green-blind)
#5A522B
Tritanopia (blue-blind)
#6C4543
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #644b2a;
/* rgb */ color: rgb(100, 75, 42);
/* oklch */ color: oklch(43.2% 0.059 72.9);
Tailwind
colors: {
  custom: {
    50: '#927d64',
    500: '#644b2a',
    950: '#000000',
  },
}
SCSS
$custom: #644b2a;
$custom-light: #927d64;
$custom-dark: #000000;
JSON
{
  "hex": "#644b2a",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 42
  },
  "hsl": {
    "h": 34.138,
    "s": 40.845,
    "l": 27.843
  },
  "oklch": {
    "l": 0.43156,
    "c": 0.05881,
    "h": 72.9
  },
  "luminance": 0.07909
}

Semantic roles & 50–950 ramp

primary
#644B2A
secondary
#537096
accent
#8CD157
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0905
muted
#7E7B7A

Preview Lab

Preview with #644B2A

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

Preview Lab → · Contrast checker → · Palette generator →

#644B2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva