#644E42#644E42

#644E42 is a dark, muted orange. Relative luminance 0.086; OKLCH L 44.3% C 0.035 H 50.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX#644E42
RGBrgb(100, 78, 66)
HSLhsl(21, 20%, 33%)
HSVhsv(21, 34%, 39%)
CMYKcmyk(0%, 22%, 34%, 60.8%)
CIE-LABlab(35.11, 7.30, 10.63)
CIE-LCHlch(35.11, 12.90, 55.52°)
OKLaboklab(44.33% 0.0227 0.0272)
OKLCHoklch(44.33% 0.035 50.1)
XYZxyz(8.9635, 8.5519, 6.3317)
Luminance0.0855 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E42 #425864
analogous
#644247 #644E42 #645F42
triadic
#644E42 #42644E #4E4264
tetradic
#644E42 #476442 #425864 #5F4264
square
#644E42 #476442 #425864 #5F4264
split-complementary
#644E42 #42645F #424764
monochromatic
#1A1411 #3F312A #644E42 #896B5A #A78A7A

Accessibility & contrast

On white

7.75
#644E42 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#644E42 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E42
7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E42#FFFFFF#000000##FFFFFF
##644E421.007.752.717.75
#FFFFFF7.751.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#545041
Deuteranopia (green-blind)
#595442
Tritanopia (blue-blind)
#6A4A4B
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #644e42;
/* rgb */ color: rgb(100, 78, 66);
/* oklch */ color: oklch(44.3% 0.035 50.1);
Tailwind
colors: {
  custom: {
    50: '#917f76',
    500: '#644e42',
    950: '#000000',
  },
}
SCSS
$custom: #644e42;
$custom-light: #917f76;
$custom-dark: #000000;
JSON
{
  "hex": "#644e42",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 66
  },
  "hsl": {
    "h": 21.176,
    "s": 20.482,
    "l": 32.549
  },
  "oklch": {
    "l": 0.44332,
    "c": 0.03542,
    "h": 50.1
  },
  "luminance": 0.08551
}

Semantic roles & 50–950 ramp

primary
#644E42
secondary
#6F8693
accent
#A0BD6B
background
#F8F7F7
surface
#F0EEED
border
#CBC9C8
text
#0D0A08
muted
#7D7C7B

Preview Lab

Preview with #644E42

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

Preview Lab → · Contrast checker → · Palette generator →

#644E42 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva