#644E27#644E27

#644E27 is a dark, moderate orange. Relative luminance 0.083; OKLCH L 43.8% C 0.063 H 80.2°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX#644E27
RGBrgb(100, 78, 39)
HSLhsl(38, 44%, 27%)
HSVhsv(38, 61%, 39%)
CMYKcmyk(0%, 22%, 61%, 60.8%)
CIE-LABlab(34.61, 4.09, 26.30)
CIE-LCHlch(34.61, 26.62, 81.15°)
OKLaboklab(43.78% 0.0106 0.0619)
OKLCHoklch(43.78% 0.063 80.2)
XYZxyz(8.3465, 8.3051, 3.0825)
Luminance0.0830 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E27 #273D64
analogous
#643027 #644E27 #5C6427
triadic
#644E27 #27644E #4E2764
tetradic
#644E27 #276430 #273D64 #64275C
square
#644E27 #276430 #273D64 #64275C
split-complementary
#644E27 #275C64 #302764
monochromatic
#161109 #382C16 #644E27 #907038 #B9924C

Accessibility & contrast

On white

7.89
#644E27 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#644E27 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E27
7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E27#FFFFFF#000000##FFFFFF
##644E271.007.892.667.89
#FFFFFF7.891.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E23
Deuteranopia (green-blind)
#5C5428
Tritanopia (blue-blind)
#6C4845
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644e27;
/* rgb */ color: rgb(100, 78, 39);
/* oklch */ color: oklch(43.8% 0.063 80.2);
Tailwind
colors: {
  custom: {
    50: '#927f62',
    500: '#644e27',
    950: '#000000',
  },
}
SCSS
$custom: #644e27;
$custom-light: #927f62;
$custom-dark: #000000;
JSON
{
  "hex": "#644e27",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 39
  },
  "hsl": {
    "h": 38.361,
    "s": 43.885,
    "l": 27.255
  },
  "oklch": {
    "l": 0.43782,
    "c": 0.06276,
    "h": 80.2
  },
  "luminance": 0.08305
}

Semantic roles & 50–950 ramp

primary
#644E27
secondary
#506A97
accent
#82D454
background
#F9F7F5
surface
#F1EEEA
border
#CBC9C6
text
#0D0A05
muted
#7E7C79

Preview Lab

Preview with #644E27

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

Preview Lab → · Contrast checker → · Palette generator →

#644E27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva