#643E4A#643E4A

#643E4A is a dark, muted pink. Relative luminance 0.066; OKLCH L 41.2% C 0.056 H 359.4°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#643E4A
RGBrgb(100, 62, 74)
HSLhsl(341, 23%, 32%)
HSVhsv(341, 38%, 39%)
CMYKcmyk(0%, 38%, 26%, 60.8%)
CIE-LABlab(31.00, 18.50, -0.33)
CIE-LCHlch(31.00, 18.50, 358.99°)
OKLaboklab(41.23% 0.0557 -0.0006)
OKLCHoklch(41.23% 0.056 359.4)
XYZxyz(8.2144, 6.6495, 7.3281)
Luminance0.0665 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643E4A #3E6458
analogous
#643E5D #643E4A #64453E
triadic
#643E4A #4A643E #3E4A64
tetradic
#643E4A #5D643E #3E6458 #453E64
square
#643E4A #5D643E #3E6458 #453E64
split-complementary
#643E4A #3E6445 #3E5D64
monochromatic
#180F12 #3E272E #643E4A #8A5566 #A97484

Accessibility & contrast

On white

9.01
#643E4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.33
#643E4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E4A
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643E4A#FFFFFF#000000##FFFFFF
##643E4A1.009.012.339.01
#FFFFFF9.011.0021.001.00
#0000002.3321.001.0021.00
##FFFFFF9.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43454A
Deuteranopia (green-blind)
#4C4C49
Tritanopia (blue-blind)
#6A3C42
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #643e4a;
/* rgb */ color: rgb(100, 62, 74);
/* oklch */ color: oklch(41.2% 0.056 359.4);
Tailwind
colors: {
  custom: {
    50: '#91747c',
    500: '#643e4a',
    950: '#000000',
  },
}
SCSS
$custom: #643e4a;
$custom-light: #91747c;
$custom-dark: #000000;
JSON
{
  "hex": "#643e4a",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 74
  },
  "hsl": {
    "h": 341.053,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4123,
    "c": 0.05573,
    "h": 359.4
  },
  "luminance": 0.06649
}

Semantic roles & 50–950 ramp

primary
#643E4A
secondary
#6A9487
accent
#C0A468
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D0809
muted
#7E7B7B

Preview Lab

Preview with #643E4A

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

Preview Lab → · Contrast checker → · Palette generator →

#643E4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva