#643A47#643A47

#643A47 is a dark, moderate pink. Relative luminance 0.062; OKLCH L 40.4% C 0.062 H 0.3°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#643A47
RGB	rgb(100, 58, 71)
HSL	hsl(341, 27%, 31%)
HSV	hsv(341, 42%, 39%)
CMYK	cmyk(0%, 42%, 29%, 60.8%)
CIE-LAB	lab(29.89, 20.46, 0.01)
CIE-LCH	lch(29.89, 20.46, 0.02°)
OKLab	oklab(40.36% 0.0618 0.0003)
OKLCH	oklch(40.36% 0.062 0.3)
XYZ	xyz(7.9061, 6.1909, 6.7386)
Luminance	0.0619 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A47 #3A6457

analogous

#643A5C #643A47 #64423A

triadic

#643A47 #47643A #3A4764

tetradic

#643A47 #5C643A #3A6457 #423A64

square

#643A47 #5C643A #3A6457 #423A64

split-complementary

#643A47 #3A6442 #3A5C64

monochromatic

#170D10 #3D242B #643A47 #8B5063 #AB6E81

Accessibility & contrast

On white

9.38

#643A47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#643A47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A47

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A47	#FFFFFF	#000000	##FFFFFF
##643A47	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404247

Deuteranopia (green-blind)

#4A4946

Tritanopia (blue-blind)

#6A373F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #643a47;
/* rgb */ color: rgb(100, 58, 71);
/* oklch */ color: oklch(40.4% 0.062 0.3);

Tailwind

colors: {
  custom: {
    50: '#91717a',
    500: '#643a47',
    950: '#000000',
  },
}

SCSS

$custom: #643a47;
$custom-light: #91717a;
$custom-dark: #000000;

JSON

{
  "hex": "#643a47",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 71
  },
  "hsl": {
    "h": 341.429,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40355,
    "c": 0.06182,
    "h": 0.3
  },
  "luminance": 0.0619
}

Semantic roles & 50–950 ramp

primary

#643A47

secondary

#669486

accent

#C3A665

background

#F9F6F7

surface

#F1ECED

border

#CBC7C8

text

#0D0709

muted

#7E7A7B

Preview Lab

Preview with #643A47

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

Preview Lab → · Contrast checker → · Palette generator →