#644A1A#644A1A

#644A1A is a dark, moderate orange. Relative luminance 0.077; OKLCH L 42.7% C 0.073 H 79.7°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#644A1A
RGBrgb(100, 74, 26)
HSLhsl(39, 59%, 25%)
HSVhsv(39, 74%, 39%)
CMYKcmyk(0%, 26%, 74%, 60.8%)
CIE-LABlab(33.31, 5.58, 31.86)
CIE-LCHlch(33.31, 32.35, 80.08°)
OKLaboklab(42.72% 0.013 0.0717)
OKLCHoklch(42.72% 0.073 79.7)
XYZxyz(7.8913, 7.6820, 2.0442)
Luminance0.0768 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A1A #1A3464
analogous
#64251A #644A1A #59641A
triadic
#644A1A #1A644A #4A1A64
tetradic
#644A1A #1A6425 #1A3464 #641A59
square
#644A1A #1A6425 #1A3464 #641A59
split-complementary
#644A1A #1A5964 #251A64
monochromatic
#181206 #33260D #644A1A #956E27 #C59233

Accessibility & contrast

On white

8.28
#644A1A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#644A1A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A1A
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A1A#FFFFFF#000000##FFFFFF
##644A1A1.008.282.548.28
#FFFFFF8.281.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.281.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B14
Deuteranopia (green-blind)
#5A511C
Tritanopia (blue-blind)
#6D4240
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #644a1a;
/* rgb */ color: rgb(100, 74, 26);
/* oklch */ color: oklch(42.7% 0.073 79.7);
Tailwind
colors: {
  custom: {
    50: '#937c59',
    500: '#644a1a',
    950: '#000000',
  },
}
SCSS
$custom: #644a1a;
$custom-light: #937c59;
$custom-dark: #000000;
JSON
{
  "hex": "#644a1a",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 26
  },
  "hsl": {
    "h": 38.919,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.42716,
    "c": 0.07288,
    "h": 79.7
  },
  "luminance": 0.07681
}

Semantic roles & 50–950 ramp

primary
#644A1A
secondary
#40609A
accent
#7DE246
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0904
muted
#7E7B79

Preview Lab

Preview with #644A1A

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

Preview Lab → · Contrast checker → · Palette generator →

#644A1A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva