#643F49#643F49

#643F49 is a dark, muted pink. Relative luminance 0.067; OKLCH L 41.4% C 0.054 H 2.1°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#643F49
RGB	rgb(100, 63, 73)
HSL	hsl(344, 23%, 32%)
HSV	hsv(344, 37%, 39%)
CMYK	cmyk(0%, 37%, 27%, 60.8%)
CIE-LAB	lab(31.22, 17.71, 0.65)
CIE-LCH	lch(31.22, 17.73, 2.11°)
OKLab	oklab(41.39% 0.0535 0.002)
OKLCH	oklch(41.39% 0.054 2.1)
XYZ	xyz(8.2358, 6.7459, 7.1703)
Luminance	0.0674 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643F49 #3F645A

analogous

#643F5C #643F49 #64483F

triadic

#643F49 #49643F #3F4964

tetradic

#643F49 #5C643F #3F645A #483F64

square

#643F49 #5C643F #3F645A #483F64

split-complementary

#643F49 #3F6448 #3F5C64

monochromatic

#191012 #3E272E #643F49 #8A5764 #A87583

Accessibility & contrast

On white

8.94

#643F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#643F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643F49

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643F49	#FFFFFF	#000000	##FFFFFF
##643F49	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444549

Deuteranopia (green-blind)

#4D4C48

Tritanopia (blue-blind)

#6A3D42

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643f49;
/* rgb */ color: rgb(100, 63, 73);
/* oklch */ color: oklch(41.4% 0.054 2.1);

Tailwind

colors: {
  custom: {
    50: '#91747b',
    500: '#643f49',
    950: '#000000',
  },
}

SCSS

$custom: #643f49;
$custom-light: #91747b;
$custom-dark: #000000;

JSON

{
  "hex": "#643f49",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 73
  },
  "hsl": {
    "h": 343.784,
    "s": 22.699,
    "l": 31.961
  },
  "oklch": {
    "l": 0.41393,
    "c": 0.05351,
    "h": 2.1
  },
  "luminance": 0.06745
}

Semantic roles & 50–950 ramp

primary

#643F49

secondary

#6B9489

accent

#BFA869

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #643F49

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

Preview Lab → · Contrast checker → · Palette generator →