#644E1E#644E1E

#644E1E is a dark, moderate orange. Relative luminance 0.083; OKLCH L 43.7% C 0.071 H 84.2°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX#644E1E
RGBrgb(100, 78, 30)
HSLhsl(41, 54%, 25%)
HSVhsv(41, 70%, 39%)
CMYKcmyk(0%, 22%, 70%, 60.8%)
CIE-LABlab(34.50, 3.38, 31.09)
CIE-LCHlch(34.50, 31.27, 83.80°)
OKLaboklab(43.66% 0.0072 0.0708)
OKLCHoklch(43.66% 0.071 84.2)
XYZxyz(8.2147, 8.2524, 2.3882)
Luminance0.0825 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E1E #1E3464
analogous
#642B1E #644E1E #57641E
triadic
#644E1E #1E644E #4E1E64
tetradic
#644E1E #1E642B #1E3464 #641E57
square
#644E1E #1E642B #1E3464 #641E57
split-complementary
#644E1E #1E5764 #2B1E64
monochromatic
#181207 #352910 #644E1E #93732C #C2973A

Accessibility & contrast

On white

7.92
#644E1E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#644E1E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E1E
7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E1E#FFFFFF#000000##FFFFFF
##644E1E1.007.922.657.92
#FFFFFF7.921.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584E19
Deuteranopia (green-blind)
#5D5320
Tritanopia (blue-blind)
#6D4744
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644e1e;
/* rgb */ color: rgb(100, 78, 30);
/* oklch */ color: oklch(43.7% 0.071 84.2);
Tailwind
colors: {
  custom: {
    50: '#937f5c',
    500: '#644e1e',
    950: '#000000',
  },
}
SCSS
$custom: #644e1e;
$custom-light: #937f5c;
$custom-dark: #000000;
JSON
{
  "hex": "#644e1e",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 30
  },
  "hsl": {
    "h": 41.143,
    "s": 53.846,
    "l": 25.49
  },
  "oklch": {
    "l": 0.43663,
    "c": 0.07119,
    "h": 84.2
  },
  "luminance": 0.08252
}

Semantic roles & 50–950 ramp

primary
#644E1E
secondary
#455F99
accent
#79DD4B
background
#F9F7F5
surface
#F2EEE9
border
#CCC9C5
text
#0D0A04
muted
#7E7C79

Preview Lab

Preview with #644E1E

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

Preview Lab → · Contrast checker → · Palette generator →

#644E1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva