#643F4E#643F4E

#643F4E is a dark, muted pink. Relative luminance 0.068; OKLCH L 41.6% C 0.056 H 353.9°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#643F4E
RGB	rgb(100, 63, 78)
HSL	hsl(336, 23%, 32%)
HSV	hsv(336, 37%, 39%)
CMYK	cmyk(0%, 37%, 22%, 60.8%)
CIE-LAB	lab(31.38, 18.56, -2.35)
CIE-LCH	lch(31.38, 18.70, 352.79°)
OKLab	oklab(41.57% 0.0555 -0.006)
OKLCH	oklch(41.57% 0.056 353.9)
XYZ	xyz(8.4083, 6.8149, 8.0788)
Luminance	0.0681 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F4E #3F6455

analogous

#643F61 #643F4E #64433F

triadic

#643F4E #4E643F #3F4E64

tetradic

#643F4E #61643F #3F6455 #433F64

square

#643F4E #61643F #3F6455 #433F64

split-complementary

#643F4E #3F6443 #3F6164

monochromatic

#191013 #3E2731 #643F4E #8A576B #A8758A

Accessibility & contrast

On white

8.89

#643F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#643F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F4E

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F4E	#FFFFFF	#000000	##FFFFFF
##643F4E	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43464F

Deuteranopia (green-blind)

#4C4C4D

Tritanopia (blue-blind)

#693E44

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643f4e;
/* rgb */ color: rgb(100, 63, 78);
/* oklch */ color: oklch(41.6% 0.056 353.9);

Tailwind

colors: {
  custom: {
    50: '#91747f',
    500: '#643f4e',
    950: '#000000',
  },
}

SCSS

$custom: #643f4e;
$custom-light: #91747f;
$custom-dark: #000000;

JSON

{
  "hex": "#643f4e",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 335.676,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41568,
    "c": 0.05585,
    "h": 353.9
  },
  "luminance": 0.06814
}

Semantic roles & 50–950 ramp

primary

#643F4E

secondary

#6B9483

accent

#BF9C69

background

#F9F7F7

surface

#F1EDEE

border

#CBC8C9

text

#0D080A

muted

#7E7B7C

Preview Lab

Preview with #643F4E

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

Preview Lab → · Contrast checker → · Palette generator →