#644A2B#644A2B

#644A2B is a dark, muted orange. Relative luminance 0.078; OKLCH L 43.0% C 0.058 H 70.2°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX#644A2B
RGBrgb(100, 74, 43)
HSLhsl(33, 40%, 28%)
HSVhsv(33, 57%, 39%)
CMYKcmyk(0%, 26%, 57%, 60.8%)
CIE-LABlab(33.52, 6.93, 22.67)
CIE-LCHlch(33.52, 23.70, 72.99°)
OKLaboklab(42.95% 0.0196 0.0543)
OKLCHoklch(42.95% 0.058 70.2)
XYZxyz(8.1408, 7.7818, 3.3583)
Luminance0.0778 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A2B #2B4564
analogous
#642E2B #644A2B #61642B
triadic
#644A2B #2B644A #4A2B64
tetradic
#644A2B #2B642E #2B4564 #642B61
square
#644A2B #2B642E #2B4564 #642B61
split-complementary
#644A2B #2B6164 #2E2B64
monochromatic
#151009 #392A19 #644A2B #8F6A3D #B58954

Accessibility & contrast

On white

8.22
#644A2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#644A2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A2B
8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A2B#FFFFFF#000000##FFFFFF
##644A2B1.008.222.568.22
#FFFFFF8.221.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#534B28
Deuteranopia (green-blind)
#59512C
Tritanopia (blue-blind)
#6C4442
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #644a2b;
/* rgb */ color: rgb(100, 74, 43);
/* oklch */ color: oklch(43.0% 0.058 70.2);
Tailwind
colors: {
  custom: {
    50: '#927c65',
    500: '#644a2b',
    950: '#000000',
  },
}
SCSS
$custom: #644a2b;
$custom-light: #927c65;
$custom-dark: #000000;
JSON
{
  "hex": "#644a2b",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 43
  },
  "hsl": {
    "h": 32.632,
    "s": 39.86,
    "l": 28.039
  },
  "oklch": {
    "l": 0.42951,
    "c": 0.05768,
    "h": 70.2
  },
  "luminance": 0.07781
}

Semantic roles & 50–950 ramp

primary
#644A2B
secondary
#557396
accent
#8FD058
background
#F9F7F6
surface
#F1EEEB
border
#CBC9C6
text
#0D0905
muted
#7E7B7A

Preview Lab

Preview with #644A2B

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

Preview Lab → · Contrast checker → · Palette generator →

#644A2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva