#643773#643773

#643773 is a dark, moderate purple. Relative luminance 0.067; OKLCH L 41.9% C 0.108 H 317.2°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#643773
RGB	rgb(100, 55, 115)
HSL	hsl(285, 35%, 33%)
HSV	hsv(285, 52%, 45%)
CMYK	cmyk(13%, 52.2%, 0%, 54.9%)
CIE-LAB	lab(31.07, 30.91, -26.53)
CIE-LCH	lch(31.07, 40.74, 319.36°)
OKLab	oklab(41.86% 0.0794 -0.0737)
OKLCH	oklch(41.86% 0.108 317.2)
XYZ	xyz(9.7158, 6.6798, 16.9939)
Luminance	0.0668 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643773 #467337

analogous

#463773 #643773 #733764

triadic

#643773 #736437 #377364

tetradic

#643773 #734637 #467337 #376473

square

#643773 #734637 #467337 #376473

split-complementary

#643773 #647337 #377346

monochromatic

#1C0F20 #40234A #643773 #884B9C #A56CB9

Accessibility & contrast

On white

8.99

#643773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#643773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643773

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643773	#FFFFFF	#000000	##FFFFFF
##643773	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4675

Deuteranopia (green-blind)

#394B71

Tritanopia (blue-blind)

#64404F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #643773;
/* rgb */ color: rgb(100, 55, 115);
/* oklch */ color: oklch(41.9% 0.108 317.2);

Tailwind

colors: {
  custom: {
    50: '#926f9b',
    500: '#643773',
    950: '#000000',
  },
}

SCSS

$custom: #643773;
$custom-light: #926f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#643773",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 115
  },
  "hsl": {
    "h": 285,
    "s": 35.294,
    "l": 33.333
  },
  "oklch": {
    "l": 0.41858,
    "c": 0.10834,
    "h": 317.2
  },
  "luminance": 0.0668
}

Semantic roles & 50–950 ramp

primary

#643773

secondary

#74A264

accent

#CB5C78

background

#F9F6F9

surface

#F1ECF2

border

#CBC7CC

text

#0D070E

muted

#7E7A7E

Preview Lab

Preview with #643773

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

Preview Lab → · Contrast checker → · Palette generator →