#643F53#643F53

#643F53 is a dark, muted pink. Relative luminance 0.069; OKLCH L 41.8% C 0.059 H 346.4°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#643F53
RGB	rgb(100, 63, 83)
HSL	hsl(328, 23%, 32%)
HSV	hsv(328, 37%, 39%)
CMYK	cmyk(0%, 37%, 17%, 60.8%)
CIE-LAB	lab(31.55, 19.45, -5.32)
CIE-LCH	lch(31.55, 20.16, 344.69°)
OKLab	oklab(41.76% 0.0575 -0.0139)
OKLCH	oklch(41.76% 0.059 346.4)
XYZ	xyz(8.5944, 6.8893, 9.0590)
Luminance	0.0689 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F53 #3F6450

analogous

#633F64 #643F53 #643F41

triadic

#643F53 #53643F #3F5364

tetradic

#643F53 #64633F #3F6450 #3F4164

square

#643F53 #64633F #3F6450 #3F4164

split-complementary

#643F53 #41643F #3F6463

monochromatic

#191015 #3E2734 #643F53 #8A5772 #A87591

Accessibility & contrast

On white

8.83

#643F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#643F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F53

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F53	#FFFFFF	#000000	##FFFFFF
##643F53	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424754

Deuteranopia (green-blind)

#4B4C52

Tritanopia (blue-blind)

#693F46

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643f53;
/* rgb */ color: rgb(100, 63, 83);
/* oklch */ color: oklch(41.8% 0.059 346.4);

Tailwind

colors: {
  custom: {
    50: '#917483',
    500: '#643f53',
    950: '#000000',
  },
}

SCSS

$custom: #643f53;
$custom-light: #917483;
$custom-dark: #000000;

JSON

{
  "hex": "#643f53",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 83
  },
  "hsl": {
    "h": 327.568,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41756,
    "c": 0.05915,
    "h": 346.4
  },
  "luminance": 0.06889
}

Semantic roles & 50–950 ramp

primary

#643F53

secondary

#6B947E

accent

#BF9069

background

#F8F7F8

surface

#F0EDEF

border

#CBC8CA

text

#0D080A

muted

#7D7B7C

Preview Lab

Preview with #643F53

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

Preview Lab → · Contrast checker → · Palette generator →