#643C56#643C56

#643C56 is a dark, moderate pink. Relative luminance 0.066; OKLCH L 41.3% C 0.068 H 341.1°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#643C56
RGB	rgb(100, 60, 86)
HSL	hsl(321, 25%, 31%)
HSV	hsv(321, 40%, 39%)
CMYK	cmyk(0%, 40%, 14%, 60.8%)
CIE-LAB	lab(30.91, 21.84, -8.22)
CIE-LCH	lch(30.91, 23.34, 339.37°)
OKLab	oklab(41.3% 0.0639 -0.0218)
OKLCH	oklch(41.3% 0.068 341.1)
XYZ	xyz(8.5511, 6.6134, 9.6284)
Luminance	0.0661 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643C56 #3C644A

analogous

#5E3C64 #643C56 #643C42

triadic

#643C56 #56643C #3C5664

tetradic

#643C56 #645E3C #3C644A #3C4264

square

#643C56 #645E3C #3C644A #3C4264

split-complementary

#643C56 #42643C #3C645E

monochromatic

#180E14 #3E2535 #643C56 #8A5377 #AA7196

Accessibility & contrast

On white

9.04

#643C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#643C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643C56

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643C56	#FFFFFF	#000000	##FFFFFF
##643C56	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4557

Deuteranopia (green-blind)

#484B55

Tritanopia (blue-blind)

#693C45

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643c56;
/* rgb */ color: rgb(100, 60, 86);
/* oklch */ color: oklch(41.3% 0.068 341.1);

Tailwind

colors: {
  custom: {
    50: '#917285',
    500: '#643c56',
    950: '#000000',
  },
}

SCSS

$custom: #643c56;
$custom-light: #917285;
$custom-dark: #000000;

JSON

{
  "hex": "#643c56",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 86
  },
  "hsl": {
    "h": 321,
    "s": 25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41303,
    "c": 0.06757,
    "h": 341.1
  },
  "luminance": 0.06613
}

Semantic roles & 50–950 ramp

primary

#643C56

secondary

#689477

accent

#C18666

background

#F9F6F8

surface

#F1ECEF

border

#CBC7CA

text

#0D080B

muted

#7E7B7C

Preview Lab

Preview with #643C56

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

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