#643C4E#643C4E

#643C4E is a dark, moderate pink. Relative luminance 0.065; OKLCH L 41.0% C 0.062 H 351.7°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX#643C4E
RGBrgb(100, 60, 78)
HSLhsl(333, 25%, 31%)
HSVhsv(333, 40%, 39%)
CMYKcmyk(0%, 40%, 22%, 60.8%)
CIE-LABlab(30.62, 20.40, -3.47)
CIE-LCHlch(30.62, 20.70, 350.34°)
OKLaboklab(40.99% 0.061 -0.0089)
OKLCHoklch(40.99% 0.062 351.7)
XYZxyz(8.2467, 6.4916, 8.0249)
Luminance0.0649 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643C4E #3C6452
analogous
#643C62 #643C4E #643E3C
triadic
#643C4E #4E643C #3C4E64
tetradic
#643C4E #62643C #3C6452 #3E3C64
square
#643C4E #62643C #3C6452 #3E3C64
split-complementary
#643C4E #3C643E #3C6264
monochromatic
#180E12 #3E2530 #643C4E #8A536C #AA718A

Accessibility & contrast

On white

9.14
#643C4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.30
#643C4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C4E
9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643C4E#FFFFFF#000000##FFFFFF
##643C4E1.009.142.309.14
#FFFFFF9.141.0021.001.00
#0000002.3021.001.0021.00
##FFFFFF9.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#40444F
Deuteranopia (green-blind)
#4A4B4D
Tritanopia (blue-blind)
#6A3B42
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #643c4e;
/* rgb */ color: rgb(100, 60, 78);
/* oklch */ color: oklch(41.0% 0.062 351.7);
Tailwind
colors: {
  custom: {
    50: '#91727f',
    500: '#643c4e',
    950: '#000000',
  },
}
SCSS
$custom: #643c4e;
$custom-light: #91727f;
$custom-dark: #000000;
JSON
{
  "hex": "#643c4e",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 333,
    "s": 25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40988,
    "c": 0.06163,
    "h": 351.7
  },
  "luminance": 0.06491
}

Semantic roles & 50–950 ramp

primary
#643C4E
secondary
#689480
accent
#C19866
background
#F9F6F7
surface
#F1ECEE
border
#CBC7C9
text
#0D080A
muted
#7E7B7C

Preview Lab

Preview with #643C4E

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

Preview Lab → · Contrast checker → · Palette generator →

#643C4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva