#643F56#643F56

#643F56 is a dark, moderate pink. Relative luminance 0.069; OKLCH L 41.9% C 0.062 H 342.2°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#643F56
RGB	rgb(100, 63, 86)
HSL	hsl(323, 23%, 32%)
HSV	hsv(323, 37%, 39%)
CMYK	cmyk(0%, 37%, 14%, 60.8%)
CIE-LAB	lab(31.66, 20.01, -7.09)
CIE-LCH	lch(31.66, 21.23, 340.48°)
OKLab	oklab(41.88% 0.0586 -0.0188)
OKLCH	oklch(41.88% 0.062 342.2)
XYZ	xyz(8.7128, 6.9367, 9.6823)
Luminance	0.0694 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F56 #3F644D

analogous

#603F64 #643F56 #643F44

triadic

#643F56 #56643F #3F5664

tetradic

#643F56 #64603F #3F644D #3F4464

square

#643F56 #64603F #3F644D #3F4464

split-complementary

#643F56 #44643F #3F6460

monochromatic

#191015 #3E2736 #643F56 #8A5776 #A87595

Accessibility & contrast

On white

8.80

#643F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#643F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F56

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F56	#FFFFFF	#000000	##FFFFFF
##643F56	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414757

Deuteranopia (green-blind)

#4A4D55

Tritanopia (blue-blind)

#683F47

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643f56;
/* rgb */ color: rgb(100, 63, 86);
/* oklch */ color: oklch(41.9% 0.062 342.2);

Tailwind

colors: {
  custom: {
    50: '#917485',
    500: '#643f56',
    950: '#000000',
  },
}

SCSS

$custom: #643f56;
$custom-light: #917485;
$custom-dark: #000000;

JSON

{
  "hex": "#643f56",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 86
  },
  "hsl": {
    "h": 322.703,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41875,
    "c": 0.06152,
    "h": 342.2
  },
  "luminance": 0.06936
}

Semantic roles & 50–950 ramp

primary

#643F56

secondary

#6B947A

accent

#BF8969

background

#F8F7F8

surface

#F0EDEF

border

#CBC8CA

text

#0D080B

muted

#7D7B7C

Preview Lab

Preview with #643F56

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

Preview Lab → · Contrast checker → · Palette generator →