#644A58#644A58

#644A58 is a dark, muted pink. Relative luminance 0.083; OKLCH L 44.2% C 0.041 H 345.4°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX#644A58
RGBrgb(100, 74, 88)
HSLhsl(328, 15%, 34%)
HSVhsv(328, 26%, 39%)
CMYKcmyk(0%, 26%, 12%, 60.8%)
CIE-LABlab(34.62, 13.55, -3.95)
CIE-LCHlch(34.62, 14.12, 343.74°)
OKLaboklab(44.17% 0.0397 -0.0104)
OKLCHoklch(44.17% 0.041 345.4)
XYZxyz(9.4657, 8.3118, 10.3364)
Luminance0.0831 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644A58 #4A6456
analogous
#634A64 #644A58 #644A4B
triadic
#644A58 #58644A #4A5864
tetradic
#644A58 #64634A #4A6456 #4A4B64
square
#644A58 #64634A #4A6456 #4A4B64
split-complementary
#644A58 #4B644A #4A6463
monochromatic
#1E161A #413039 #644A58 #876477 #A48495

Accessibility & contrast

On white

7.89
#644A58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#644A58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644A58
7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644A58#FFFFFF#000000##FFFFFF
##644A581.007.892.667.89
#FFFFFF7.891.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C4F59
Deuteranopia (green-blind)
#525357
Tritanopia (blue-blind)
#684A4F
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #644a58;
/* rgb */ color: rgb(100, 74, 88);
/* oklch */ color: oklch(44.2% 0.041 345.4);
Tailwind
colors: {
  custom: {
    50: '#907c87',
    500: '#644a58',
    950: '#000000',
  },
}
SCSS
$custom: #644a58;
$custom-light: #907c87;
$custom-dark: #000000;
JSON
{
  "hex": "#644a58",
  "rgb": {
    "r": 100,
    "g": 74,
    "b": 88
  },
  "hsl": {
    "h": 327.692,
    "s": 14.943,
    "l": 34.118
  },
  "oklch": {
    "l": 0.44165,
    "c": 0.041,
    "h": 345.4
  },
  "luminance": 0.08311
}

Semantic roles & 50–950 ramp

primary
#644A58
secondary
#789284
accent
#B89170
background
#F8F7F8
surface
#F0EEEF
border
#CBC9CA
text
#0C090B
muted
#7D7B7C

Preview Lab

Preview with #644A58

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

Preview Lab → · Contrast checker → · Palette generator →

#644A58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva