#644E5A#644E5A

#644E5A is a mid, muted pink. Relative luminance 0.089; OKLCH L 45.1% C 0.035 H 344.7°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#644E5A
RGBrgb(100, 78, 90)
HSLhsl(327, 12%, 35%)
HSVhsv(327, 22%, 39%)
CMYKcmyk(0%, 22%, 10%, 60.8%)
CIE-LABlab(35.78, 11.45, -3.50)
CIE-LCHlch(35.78, 11.97, 343.02°)
OKLaboklab(45.08% 0.0334 -0.0092)
OKLCHoklch(45.08% 0.035 344.7)
XYZxyz(9.8253, 8.8966, 10.8705)
Luminance0.0890 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644E5A #4E6458
analogous
#634E64 #644E5A #644E4F
triadic
#644E5A #5A644E #4E5A64
tetradic
#644E5A #64634E #4E6458 #4E4F64
square
#644E5A #64634E #4E6458 #4E4F64
split-complementary
#644E5A #4F644E #4E6463
monochromatic
#1F181C #42333B #644E5A #866979 #A38997

Accessibility & contrast

On white

7.56
#644E5A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.78
#644E5A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644E5A
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644E5A#FFFFFF#000000##FFFFFF
##644E5A1.007.562.787.56
#FFFFFF7.561.0021.001.00
#0000002.7821.001.0021.00
##FFFFFF7.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4F525A
Deuteranopia (green-blind)
#545559
Tritanopia (blue-blind)
#674E52
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #644e5a;
/* rgb */ color: rgb(100, 78, 90);
/* oklch */ color: oklch(45.1% 0.035 344.7);
Tailwind
colors: {
  custom: {
    50: '#907f88',
    500: '#644e5a',
    950: '#000000',
  },
}
SCSS
$custom: #644e5a;
$custom-light: #907f88;
$custom-dark: #000000;
JSON
{
  "hex": "#644e5a",
  "rgb": {
    "r": 100,
    "g": 78,
    "b": 90
  },
  "hsl": {
    "h": 327.273,
    "s": 12.36,
    "l": 34.902
  },
  "oklch": {
    "l": 0.45082,
    "c": 0.0346,
    "h": 344.7
  },
  "luminance": 0.08896
}

Semantic roles & 50–950 ramp

primary
#644E5A
secondary
#7D9186
accent
#B59173
background
#F8F7F8
surface
#F0EEEF
border
#CBC9CA
text
#0C0A0B
muted
#7D7C7C

Preview Lab

Preview with #644E5A

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

Preview Lab → · Contrast checker → · Palette generator →

#644E5A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva