#643B52#643B52

#643B52 is a dark, moderate pink. Relative luminance 0.064; OKLCH L 41.0% C 0.066 H 345.7°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#643B52
RGB	rgb(100, 59, 82)
HSL	hsl(326, 26%, 31%)
HSV	hsv(326, 41%, 39%)
CMYK	cmyk(0%, 41%, 18%, 60.8%)
CIE-LAB	lab(30.51, 21.72, -6.23)
CIE-LCH	lch(30.51, 22.59, 343.99°)
OKLab	oklab(40.95% 0.0643 -0.0164)
OKLCH	oklch(40.95% 0.066 345.7)
XYZ	xyz(8.3426, 6.4470, 8.7860)
Luminance	0.0645 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643B52 #3B644D

analogous

#613B64 #643B52 #643B3D

triadic

#643B52 #52643B #3B5264

tetradic

#643B52 #64613B #3B644D #3B3D64

square

#643B52 #64613B #3B644D #3B3D64

split-complementary

#643B52 #3D643B #3B6461

monochromatic

#170E13 #3E2432 #643B52 #8A5272 #AA6F90

Accessibility & contrast

On white

9.17

#643B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#643B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643B52

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643B52	#FFFFFF	#000000	##FFFFFF
##643B52	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4453

Deuteranopia (green-blind)

#484A51

Tritanopia (blue-blind)

#693B43

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643b52;
/* rgb */ color: rgb(100, 59, 82);
/* oklch */ color: oklch(41.0% 0.066 345.7);

Tailwind

colors: {
  custom: {
    50: '#917282',
    500: '#643b52',
    950: '#000000',
  },
}

SCSS

$custom: #643b52;
$custom-light: #917282;
$custom-dark: #000000;

JSON

{
  "hex": "#643b52",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 82
  },
  "hsl": {
    "h": 326.341,
    "s": 25.786,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40953,
    "c": 0.06634,
    "h": 345.7
  },
  "luminance": 0.06446
}

Semantic roles & 50–950 ramp

primary

#643B52

secondary

#67947B

accent

#C28E66

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643B52

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

Preview Lab → · Contrast checker → · Palette generator →