#643F5D#643F5D

#643F5D is a dark, moderate pink. Relative luminance 0.071; OKLCH L 42.2% C 0.068 H 333.8°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#643F5D
RGB	rgb(100, 63, 93)
HSL	hsl(311, 23%, 32%)
HSV	hsv(311, 37%, 39%)
CMYK	cmyk(0%, 37%, 7%, 60.8%)
CIE-LAB	lab(31.93, 21.37, -11.18)
CIE-LCH	lch(31.93, 24.12, 332.37°)
OKLab	oklab(42.17% 0.061 -0.03)
OKLCH	oklch(42.17% 0.068 333.8)
XYZ	xyz(9.0087, 7.0551, 11.2410)
Luminance	0.0706 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F5D #3F6446

analogous

#593F64 #643F5D #643F4B

triadic

#643F5D #5D643F #3F5D64

tetradic

#643F5D #64593F #3F6446 #3F4B64

square

#643F5D #64593F #3F6446 #3F4B64

split-complementary

#643F5D #4B643F #3F6459

monochromatic

#191017 #3E273A #643F5D #8A5780 #A8759F

Accessibility & contrast

On white

8.71

#643F5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#643F5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F5D

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F5D	#FFFFFF	#000000	##FFFFFF
##643F5D	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F485E

Deuteranopia (green-blind)

#484D5C

Tritanopia (blue-blind)

#67414A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643f5d;
/* rgb */ color: rgb(100, 63, 93);
/* oklch */ color: oklch(42.2% 0.068 333.8);

Tailwind

colors: {
  custom: {
    50: '#91758b',
    500: '#643f5d',
    950: '#000000',
  },
}

SCSS

$custom: #643f5d;
$custom-light: #91758b;
$custom-dark: #000000;

JSON

{
  "hex": "#643f5d",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 93
  },
  "hsl": {
    "h": 311.351,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.42168,
    "c": 0.06801,
    "h": 333.8
  },
  "luminance": 0.07055
}

Semantic roles & 50–950 ramp

primary

#643F5D

secondary

#6B9473

accent

#BF7969

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080C

muted

#7D7B7D

Preview Lab

Preview with #643F5D

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

Preview Lab → · Contrast checker → · Palette generator →