#643E4E#643E4E

#643E4E is a dark, muted pink. Relative luminance 0.067; OKLCH L 41.4% C 0.058 H 353.1°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#643E4E
RGB	rgb(100, 62, 78)
HSL	hsl(335, 23%, 32%)
HSV	hsv(335, 38%, 39%)
CMYK	cmyk(0%, 38%, 22%, 60.8%)
CIE-LAB	lab(31.13, 19.17, -2.73)
CIE-LCH	lch(31.13, 19.37, 351.91°)
OKLab	oklab(41.37% 0.0574 -0.007)
OKLCH	oklch(41.37% 0.058 353.1)
XYZ	xyz(8.3534, 6.7051, 8.0605)
Luminance	0.0670 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E4E #3E6454

analogous

#643E61 #643E4E #64413E

triadic

#643E4E #4E643E #3E4E64

tetradic

#643E4E #61643E #3E6454 #413E64

square

#643E4E #61643E #3E6454 #413E64

split-complementary

#643E4E #3E6441 #3E6164

monochromatic

#180F13 #3E2731 #643E4E #8A556B #A9748A

Accessibility & contrast

On white

8.97

#643E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E4E

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E4E	#FFFFFF	#000000	##FFFFFF
##643E4E	1.00	8.97	2.34	8.97
#FFFFFF	8.97	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42454F

Deuteranopia (green-blind)

#4B4C4D

Tritanopia (blue-blind)

#693D44

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643e4e;
/* rgb */ color: rgb(100, 62, 78);
/* oklch */ color: oklch(41.4% 0.058 353.1);

Tailwind

colors: {
  custom: {
    50: '#91747f',
    500: '#643e4e',
    950: '#000000',
  },
}

SCSS

$custom: #643e4e;
$custom-light: #91747f;
$custom-dark: #000000;

JSON

{
  "hex": "#643e4e",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 334.737,
    "s": 23.457,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41373,
    "c": 0.05777,
    "h": 353.1
  },
  "luminance": 0.06705
}

Semantic roles & 50–950 ramp

primary

#643E4E

secondary

#6A9482

accent

#C09B68

background

#F9F7F7

surface

#F1EDEE

border

#CBC8C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643E4E

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

Preview Lab → · Contrast checker → · Palette generator →