#644E56#644E56

#644E56 is a dark, muted pink. Relative luminance 0.088; OKLCH L 44.9% C 0.032 H 354.7°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX#644E56
RGBrgb(100, 78, 86)
HSLhsl(338, 12%, 35%)
HSVhsv(338, 22%, 39%)
CMYKcmyk(0%, 22%, 14%, 60.8%)
CIE-LABlab(35.66, 10.68, -1.17)
CIE-LCHlch(35.66, 10.74, 353.76°)
OKLaboklab(44.94% 0.0317 -0.0029)
OKLCHoklch(44.94% 0.032 354.7)
XYZxyz(9.6596, 8.8303, 9.9979)
Luminance0.0883 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E56 #4E645C
analogous
#644E61 #644E56 #64514E
triadic
#644E56 #56644E #4E5664
tetradic
#644E56 #61644E #4E645C #514E64
square
#644E56 #61644E #4E645C #514E64
split-complementary
#644E56 #4E6451 #4E6164
monochromatic
#1F181B #423338 #644E56 #866974 #A38993

Accessibility & contrast

On white

7.59
#644E56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#644E56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E56
7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E56#FFFFFF#000000##FFFFFF
##644E561.007.592.777.59
#FFFFFF7.591.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#505256
Deuteranopia (green-blind)
#555555
Tritanopia (blue-blind)
#684D51
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #644e56;
/* rgb */ color: rgb(100, 78, 86);
/* oklch */ color: oklch(44.9% 0.032 354.7);
Tailwind
colors: {
  custom: {
    50: '#907f85',
    500: '#644e56',
    950: '#000000',
  },
}
SCSS
$custom: #644e56;
$custom-light: #907f85;
$custom-dark: #000000;
JSON
{
  "hex": "#644e56",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 86
  },
  "hsl": {
    "h": 338.182,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4494,
    "c": 0.03184,
    "h": 354.7
  },
  "luminance": 0.0883
}

Semantic roles & 50–950 ramp

primary
#644E56
secondary
#7D918A
accent
#B59D73
background
#F8F7F8
surface
#F0EEEF
border
#CBC9CA
text
#0C0A0B
muted
#7D7C7C

Preview Lab

Preview with #644E56

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

Preview Lab → · Contrast checker → · Palette generator →

#644E56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva