#643F52#643F52

#643F52 is a dark, muted pink. Relative luminance 0.069; OKLCH L 41.7% C 0.058 H 347.8°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX#643F52
RGBrgb(100, 63, 82)
HSLhsl(329, 23%, 32%)
HSVhsv(329, 37%, 39%)
CMYKcmyk(0%, 37%, 18%, 60.8%)
CIE-LABlab(31.52, 19.27, -4.73)
CIE-LCHlch(31.52, 19.84, 346.21°)
OKLaboklab(41.72% 0.0571 -0.0123)
OKLCHoklch(41.72% 0.058 347.8)
XYZxyz(8.5561, 6.8740, 8.8572)
Luminance0.0687 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643F52 #3F6451
analogous
#643F64 #643F52 #643F40
triadic
#643F52 #52643F #3F5264
tetradic
#643F52 #64643F #3F6451 #3F4064
square
#643F52 #64643F #3F6451 #3F4064
split-complementary
#643F52 #40643F #3F6464
monochromatic
#191014 #3E2733 #643F52 #8A5771 #A8758F

Accessibility & contrast

On white

8.84
#643F52 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#643F52 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F52
8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643F52#FFFFFF#000000##FFFFFF
##643F521.008.842.378.84
#FFFFFF8.841.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#424653
Deuteranopia (green-blind)
#4B4C51
Tritanopia (blue-blind)
#693E46
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #643f52;
/* rgb */ color: rgb(100, 63, 82);
/* oklch */ color: oklch(41.7% 0.058 347.8);
Tailwind
colors: {
  custom: {
    50: '#917482',
    500: '#643f52',
    950: '#000000',
  },
}
SCSS
$custom: #643f52;
$custom-light: #917482;
$custom-dark: #000000;
JSON
{
  "hex": "#643f52",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 329.189,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41717,
    "c": 0.05842,
    "h": 347.8
  },
  "luminance": 0.06874
}

Semantic roles & 50–950 ramp

primary
#643F52
secondary
#6B947F
accent
#BF9369
background
#F8F7F7
surface
#F0EDEE
border
#CBC8C9
text
#0D080A
muted
#7D7B7C

Preview Lab

Preview with #643F52

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

Preview Lab → · Contrast checker → · Palette generator →

#643F52 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva