#643A4A#643A4A

#643A4A is a dark, moderate pink. Relative luminance 0.062; OKLCH L 40.5% C 0.063 H 355.9°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#643A4A
RGB	rgb(100, 58, 74)
HSL	hsl(337, 27%, 31%)
HSV	hsv(337, 42%, 39%)
CMYK	cmyk(0%, 42%, 26%, 60.8%)
CIE-LAB	lab(29.99, 20.95, -1.81)
CIE-LCH	lch(29.99, 21.03, 355.07°)
OKLab	oklab(40.46% 0.063 -0.0045)
OKLCH	oklch(40.46% 0.063 355.9)
XYZ	xyz(8.0048, 6.2304, 7.2582)
Luminance	0.0623 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643A4A #3A6454

analogous

#643A5F #643A4A #643F3A

triadic

#643A4A #4A643A #3A4A64

tetradic

#643A4A #5F643A #3A6454 #3F3A64

square

#643A4A #5F643A #3A6454 #3F3A64

split-complementary

#643A4A #3A643F #3A5F64

monochromatic

#170D11 #3D242D #643A4A #8B5067 #AB6E85

Accessibility & contrast

On white

9.35

#643A4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#643A4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643A4A

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643A4A	#FFFFFF	#000000	##FFFFFF
##643A4A	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F424B

Deuteranopia (green-blind)

#4A4949

Tritanopia (blue-blind)

#6A3840

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #643a4a;
/* rgb */ color: rgb(100, 58, 74);
/* oklch */ color: oklch(40.5% 0.063 355.9);

Tailwind

colors: {
  custom: {
    50: '#91717c',
    500: '#643a4a',
    950: '#000000',
  },
}

SCSS

$custom: #643a4a;
$custom-light: #91717c;
$custom-dark: #000000;

JSON

{
  "hex": "#643a4a",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 74
  },
  "hsl": {
    "h": 337.143,
    "s": 26.582,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40461,
    "c": 0.0632,
    "h": 355.9
  },
  "luminance": 0.0623
}

Semantic roles & 50–950 ramp

primary

#643A4A

secondary

#669482

accent

#C39F65

background

#F9F6F7

surface

#F1ECEE

border

#CBC7C9

text

#0D0709

muted

#7E7A7B

Preview Lab

Preview with #643A4A

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

Preview Lab → · Contrast checker → · Palette generator →