#643D58#643D58

#643D58 is a dark, moderate pink. Relative luminance 0.068; OKLCH L 41.6% C 0.067 H 339.1°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#643D58
RGBrgb(100, 61, 88)
HSLhsl(318, 24%, 32%)
HSVhsv(318, 39%, 39%)
CMYKcmyk(0%, 39%, 12%, 60.8%)
CIE-LABlab(31.24, 21.61, -9.02)
CIE-LCHlch(31.24, 23.42, 337.34°)
OKLaboklab(41.58% 0.0629 -0.024)
OKLCHoklch(41.58% 0.067 339.1)
XYZxyz(8.6857, 6.7519, 10.0764)
Luminance0.0675 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643D58 #3D6449
analogous
#5D3D64 #643D58 #643D45
triadic
#643D58 #58643D #3D5864
tetradic
#643D58 #645D3D #3D6449 #3D4564
square
#643D58 #645D3D #3D6449 #3D4564
split-complementary
#643D58 #45643D #3D645D
monochromatic
#180F15 #3E2637 #643D58 #8A5479 #A97298

Accessibility & contrast

On white

8.94
#643D58 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.35
#643D58 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643D58
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643D58#FFFFFF#000000##FFFFFF
##643D581.008.942.358.94
#FFFFFF8.941.0021.001.00
#0000002.3521.001.0021.00
##FFFFFF8.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E4659
Deuteranopia (green-blind)
#484C57
Tritanopia (blue-blind)
#683E47
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #643d58;
/* rgb */ color: rgb(100, 61, 88);
/* oklch */ color: oklch(41.6% 0.067 339.1);
Tailwind
colors: {
  custom: {
    50: '#917387',
    500: '#643d58',
    950: '#000000',
  },
}
SCSS
$custom: #643d58;
$custom-light: #917387;
$custom-dark: #000000;
JSON
{
  "hex": "#643d58",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 88
  },
  "hsl": {
    "h": 318.462,
    "s": 24.224,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41575,
    "c": 0.0673,
    "h": 339.1
  },
  "luminance": 0.06751
}

Semantic roles & 50–950 ramp

primary
#643D58
secondary
#699476
accent
#C18367
background
#F8F7F8
surface
#F0EDEF
border
#CBC8CA
text
#0D080B
muted
#7D7B7C

Preview Lab

Preview with #643D58

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

Preview Lab → · Contrast checker → · Palette generator →

#643D58 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva