#643166#643166

#643166 is a dark, moderate purple. Relative luminance 0.059; OKLCH L 40.2% C 0.105 H 325.9°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#643166
RGB	rgb(100, 49, 102)
HSL	hsl(298, 35%, 30%)
HSV	hsv(298, 52%, 40%)
CMYK	cmyk(2%, 52%, 0%, 60%)
CIE-LAB	lab(29.07, 31.51, -21.37)
CIE-LCH	lch(29.07, 38.08, 325.85°)
OKLab	oklab(40.16% 0.0867 -0.0587)
OKLCH	oklch(40.16% 0.105 325.9)
XYZ	xyz(8.7519, 5.8657, 13.2390)
Luminance	0.0587 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643166 #336631

analogous

#4A3166 #643166 #66314E

triadic

#643166 #666431 #316664

tetradic

#643166 #664A31 #336631 #314E66

square

#643166 #664A31 #336631 #314E66

split-complementary

#643166 #4E6631 #31664A

monochromatic

#140A15 #3B1D3D #643166 #8D458F #AF5FB2

Accessibility & contrast

On white

9.66

#643166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#643166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643166

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643166	#FFFFFF	#000000	##FFFFFF
##643166	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4068

Deuteranopia (green-blind)

#3A4764

Tritanopia (blue-blind)

#663747

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #643166;
/* rgb */ color: rgb(100, 49, 102);
/* oklch */ color: oklch(40.2% 0.105 325.9);

Tailwind

colors: {
  custom: {
    50: '#926b92',
    500: '#643166',
    950: '#000000',
  },
}

SCSS

$custom: #643166;
$custom-light: #926b92;
$custom-dark: #000000;

JSON

{
  "hex": "#643166",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 297.736,
    "s": 35.099,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40158,
    "c": 0.10477,
    "h": 325.9
  },
  "luminance": 0.05865
}

Semantic roles & 50–950 ramp

primary

#643166

secondary

#5E975C

accent

#CB5D61

background

#F9F6F8

surface

#F1EBF0

border

#CBC6CB

text

#0D070D

muted

#7E7A7D

Preview Lab

Preview with #643166

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

Preview Lab → · Contrast checker → · Palette generator →