#643E56#643E56

#643E56 is a dark, moderate pink. Relative luminance 0.068; OKLCH L 41.7% C 0.064 H 341.8°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#643E56
RGB	rgb(100, 62, 86)
HSL	hsl(322, 23%, 32%)
HSV	hsv(322, 38%, 39%)
CMYK	cmyk(0%, 38%, 14%, 60.8%)
CIE-LAB	lab(31.41, 20.62, -7.47)
CIE-LCH	lch(31.41, 21.93, 340.08°)
OKLab	oklab(41.68% 0.0604 -0.0198)
OKLCH	oklch(41.68% 0.064 341.8)
XYZ	xyz(8.6579, 6.8269, 9.6640)
Luminance	0.0683 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E56 #3E644C

analogous

#5F3E64 #643E56 #643E43

triadic

#643E56 #56643E #3E5664

tetradic

#643E56 #645F3E #3E644C #3E4364

square

#643E56 #645F3E #3E644C #3E4364

split-complementary

#643E56 #43643E #3E645F

monochromatic

#180F15 #3E2736 #643E56 #8A5576 #A97495

Accessibility & contrast

On white

8.88

#643E56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#643E56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E56

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E56	#FFFFFF	#000000	##FFFFFF
##643E56	1.00	8.88	2.37	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404657

Deuteranopia (green-blind)

#494C55

Tritanopia (blue-blind)

#683E47

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643e56;
/* rgb */ color: rgb(100, 62, 86);
/* oklch */ color: oklch(41.7% 0.064 341.8);

Tailwind

colors: {
  custom: {
    50: '#917485',
    500: '#643e56',
    950: '#000000',
  },
}

SCSS

$custom: #643e56;
$custom-light: #917485;
$custom-dark: #000000;

JSON

{
  "hex": "#643e56",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 86
  },
  "hsl": {
    "h": 322.105,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41682,
    "c": 0.06354,
    "h": 341.8
  },
  "luminance": 0.06826
}

Semantic roles & 50–950 ramp

primary

#643E56

secondary

#6A9479

accent

#C08868

background

#F8F7F8

surface

#F0EDEF

border

#CBC8CA

text

#0D080B

muted

#7D7B7C

Preview Lab

Preview with #643E56

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

Preview Lab → · Contrast checker → · Palette generator →