#644B56#644B56

#644B56 is a dark, muted pink. Relative luminance 0.084; OKLCH L 44.3% C 0.038 H 350.6°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX#644B56
RGBrgb(100, 75, 86)
HSLhsl(334, 14%, 34%)
HSVhsv(334, 25%, 39%)
CMYKcmyk(0%, 25%, 14%, 60.8%)
CIE-LABlab(34.83, 12.55, -2.38)
CIE-LCHlch(34.83, 12.77, 349.25°)
OKLaboklab(44.3% 0.0371 -0.0061)
OKLCHoklch(44.3% 0.038 350.6)
XYZxyz(9.4513, 8.4137, 9.9285)
Luminance0.0841 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644B56 #4B6459
analogous
#644B63 #644B56 #644D4B
triadic
#644B56 #56644B #4B5664
tetradic
#644B56 #63644B #4B6459 #4D4B64
square
#644B56 #63644B #4B6459 #4D4B64
split-complementary
#644B56 #4B644D #4B6364
monochromatic
#1E171A #413138 #644B56 #876574 #A48693

Accessibility & contrast

On white

7.83
#644B56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#644B56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644B56
7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644B56#FFFFFF#000000##FFFFFF
##644B561.007.832.687.83
#FFFFFF7.831.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4F56
Deuteranopia (green-blind)
#535355
Tritanopia (blue-blind)
#684A4F
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #644b56;
/* rgb */ color: rgb(100, 75, 86);
/* oklch */ color: oklch(44.3% 0.038 350.6);
Tailwind
colors: {
  custom: {
    50: '#907d85',
    500: '#644b56',
    950: '#000000',
  },
}
SCSS
$custom: #644b56;
$custom-light: #907d85;
$custom-dark: #000000;
JSON
{
  "hex": "#644b56",
  "rgb": {
    "r": 100,
    "g": 75,
    "b": 86
  },
  "hsl": {
    "h": 333.6,
    "s": 14.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.44302,
    "c": 0.03757,
    "h": 350.6
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary
#644B56
secondary
#799287
accent
#B79871
background
#F8F7F8
surface
#F0EEEF
border
#CBC9CA
text
#0C090B
muted
#7D7B7C

Preview Lab

Preview with #644B56

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

Preview Lab → · Contrast checker → · Palette generator →

#644B56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva