#643E4D#643E4D

#643E4D is a dark, muted pink. Relative luminance 0.067; OKLCH L 41.3% C 0.057 H 354.6°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#643E4D
RGB	rgb(100, 62, 77)
HSL	hsl(336, 23%, 32%)
HSV	hsv(336, 38%, 39%)
CMYK	cmyk(0%, 38%, 23%, 60.8%)
CIE-LAB	lab(31.09, 19.00, -2.13)
CIE-LCH	lch(31.09, 19.12, 353.61°)
OKLab	oklab(41.34% 0.057 -0.0054)
OKLCH	oklch(41.34% 0.057 354.6)
XYZ	xyz(8.3178, 6.6909, 7.8731)
Luminance	0.0669 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E4D #3E6455

analogous

#643E60 #643E4D #64423E

triadic

#643E4D #4D643E #3E4D64

tetradic

#643E4D #60643E #3E6455 #423E64

square

#643E4D #60643E #3E6455 #423E64

split-complementary

#643E4D #3E6442 #3E6064

monochromatic

#180F13 #3E2730 #643E4D #8A556A #A97489

Accessibility & contrast

On white

8.98

#643E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E4D

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E4D	#FFFFFF	#000000	##FFFFFF
##643E4D	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42454E

Deuteranopia (green-blind)

#4C4C4C

Tritanopia (blue-blind)

#6A3C43

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643e4d;
/* rgb */ color: rgb(100, 62, 77);
/* oklch */ color: oklch(41.3% 0.057 354.6);

Tailwind

colors: {
  custom: {
    50: '#91747e',
    500: '#643e4d',
    950: '#000000',
  },
}

SCSS

$custom: #643e4d;
$custom-light: #91747e;
$custom-dark: #000000;

JSON

{
  "hex": "#643e4d",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 77
  },
  "hsl": {
    "h": 336.316,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41336,
    "c": 0.0572,
    "h": 354.6
  },
  "luminance": 0.0669
}

Semantic roles & 50–950 ramp

primary

#643E4D

secondary

#6A9483

accent

#C09D68

background

#F9F7F7

surface

#F1EDEE

border

#CBC8C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643E4D

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

Preview Lab → · Contrast checker → · Palette generator →