#643E5D#643E5D

#643E5D is a dark, moderate pink. Relative luminance 0.069; OKLCH L 42.0% C 0.070 H 333.6°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#643E5D
RGB	rgb(100, 62, 93)
HSL	hsl(311, 23%, 32%)
HSV	hsv(311, 38%, 39%)
CMYK	cmyk(0%, 38%, 7%, 60.8%)
CIE-LAB	lab(31.68, 21.98, -11.56)
CIE-LCH	lch(31.68, 24.84, 332.26°)
OKLab	oklab(41.98% 0.0628 -0.0311)
OKLCH	oklch(41.98% 0.07 333.6)
XYZ	xyz(8.9539, 6.9453, 11.2227)
Luminance	0.0694 (WCAG relative)
Temperature	neutral
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E5D #3E6445

analogous

#583E64 #643E5D #643E4A

triadic

#643E5D #5D643E #3E5D64

tetradic

#643E5D #64583E #3E6445 #3E4A64

square

#643E5D #64583E #3E6445 #3E4A64

split-complementary

#643E5D #4A643E #3E6458

monochromatic

#180F17 #3E273A #643E5D #8A5580 #A9749F

Accessibility & contrast

On white

8.79

#643E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#643E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E5D

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E5D	#FFFFFF	#000000	##FFFFFF
##643E5D	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E475E

Deuteranopia (green-blind)

#474D5C

Tritanopia (blue-blind)

#674049

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643e5d;
/* rgb */ color: rgb(100, 62, 93);
/* oklch */ color: oklch(42.0% 0.070 333.6);

Tailwind

colors: {
  custom: {
    50: '#91748b',
    500: '#643e5d',
    950: '#000000',
  },
}

SCSS

$custom: #643e5d;
$custom-light: #91748b;
$custom-dark: #000000;

JSON

{
  "hex": "#643e5d",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 93
  },
  "hsl": {
    "h": 311.053,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41979,
    "c": 0.07004,
    "h": 333.6
  },
  "luminance": 0.06945
}

Semantic roles & 50–950 ramp

primary

#643E5D

secondary

#6A9472

accent

#C07868

background

#F8F7F8

surface

#F0EDF0

border

#CBC8CB

text

#0D080C

muted

#7D7B7D

Preview Lab

Preview with #643E5D

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

Preview Lab → · Contrast checker → · Palette generator →