#643A4B#643A4B

#643A4B is a dark, moderate pink. Relative luminance 0.062; OKLCH L 40.5% C 0.064 H 354.5°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#643A4B
RGB	rgb(100, 58, 75)
HSL	hsl(336, 27%, 31%)
HSV	hsv(336, 42%, 39%)
CMYK	cmyk(0%, 42%, 25%, 60.8%)
CIE-LAB	lab(30.02, 21.11, -2.41)
CIE-LCH	lch(30.02, 21.25, 353.49°)
OKLab	oklab(40.5% 0.0634 -0.0061)
OKLCH	oklch(40.5% 0.064 354.5)
XYZ	xyz(8.0388, 6.2440, 7.4371)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A4B #3A6453

analogous

#643A60 #643A4B #643E3A

triadic

#643A4B #4B643A #3A4B64

tetradic

#643A4B #60643A #3A6453 #3E3A64

square

#643A4B #60643A #3A6453 #3E3A64

split-complementary

#643A4B #3A643E #3A6064

monochromatic

#170D11 #3D242E #643A4B #8B5068 #AB6E86

Accessibility & contrast

On white

9.34

#643A4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643A4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A4B

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A4B	#FFFFFF	#000000	##FFFFFF
##643A4B	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F424C

Deuteranopia (green-blind)

#49494A

Tritanopia (blue-blind)

#6A3840

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643a4b;
/* rgb */ color: rgb(100, 58, 75);
/* oklch */ color: oklch(40.5% 0.064 354.5);

Tailwind

colors: {
  custom: {
    50: '#91717d',
    500: '#643a4b',
    950: '#000000',
  },
}

SCSS

$custom: #643a4b;
$custom-light: #91717d;
$custom-dark: #000000;

JSON

{
  "hex": "#643a4b",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 75
  },
  "hsl": {
    "h": 335.714,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40497,
    "c": 0.06373,
    "h": 354.5
  },
  "luminance": 0.06243
}

Semantic roles & 50–950 ramp

primary

#643A4B

secondary

#669481

accent

#C39D65

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D0709

muted

#7E7A7B

Preview Lab

Preview with #643A4B

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

Preview Lab → · Contrast checker → · Palette generator →