#643D4F#643D4F

#643D4F is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.2% C 0.060 H 350.9°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX#643D4F
RGBrgb(100, 61, 79)
HSLhsl(332, 24%, 32%)
HSVhsv(332, 39%, 39%)
CMYKcmyk(0%, 39%, 21%, 60.8%)
CIE-LABlab(30.91, 19.96, -3.70)
CIE-LCHlch(30.91, 20.30, 349.50°)
OKLaboklab(41.22% 0.0596 -0.0096)
OKLCHoklch(41.22% 0.06 350.9)
XYZxyz(8.3357, 6.6118, 8.2328)
Luminance0.0661 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643D4F #3D6452
analogous
#643D63 #643D4F #643F3D
triadic
#643D4F #4F643D #3D4F64
tetradic
#643D4F #63643D #3D6452 #3F3D64
square
#643D4F #63643D #3D6452 #3F3D64
split-complementary
#643D4F #3D643F #3D6364
monochromatic
#180F13 #3E2631 #643D4F #8A546D #A9728C

Accessibility & contrast

On white

9.04
#643D4F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.32
#643D4F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D4F
9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643D4F#FFFFFF#000000##FFFFFF
##643D4F1.009.042.329.04
#FFFFFF9.041.0021.001.00
#0000002.3221.001.0021.00
##FFFFFF9.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#414550
Deuteranopia (green-blind)
#4A4B4E
Tritanopia (blue-blind)
#693C43
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #643d4f;
/* rgb */ color: rgb(100, 61, 79);
/* oklch */ color: oklch(41.2% 0.060 350.9);
Tailwind
colors: {
  custom: {
    50: '#917380',
    500: '#643d4f',
    950: '#000000',
  },
}
SCSS
$custom: #643d4f;
$custom-light: #917380;
$custom-dark: #000000;
JSON
{
  "hex": "#643d4f",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 79
  },
  "hsl": {
    "h": 332.308,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41217,
    "c": 0.06032,
    "h": 350.9
  },
  "luminance": 0.06611
}

Semantic roles & 50–950 ramp

primary
#643D4F
secondary
#699480
accent
#C19767
background
#F9F7F7
surface
#F1EDEE
border
#CBC8C9
text
#0D080A
muted
#7E7B7C

Preview Lab

Preview with #643D4F

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

Preview Lab → · Contrast checker → · Palette generator →

#643D4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva