#643289#643289

#643289 is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.5% C 0.143 H 307.9°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#643289
RGB	rgb(100, 50, 137)
HSL	hsl(274, 47%, 37%)
HSV	hsv(274, 64%, 54%)
CMYK	cmyk(27%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(31.34, 38.95, -39.86)
CIE-LCH	lch(31.34, 55.73, 314.34°)
OKLab	oklab(42.49% 0.0877 -0.1125)
OKLCH	oklch(42.49% 0.143 307.9)
XYZ	xyz(10.9106, 6.7968, 24.3992)
Luminance	0.0680 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643289 #578932

analogous

#393289 #643289 #893283

triadic

#643289 #896432 #328964

tetradic

#643289 #893932 #578932 #328389

square

#643289 #893932 #578932 #328389

split-complementary

#643289 #838932 #328939

monochromatic

#23112F #43225C #643289 #8542B6 #A26CC9

Accessibility & contrast

On white

8.90

#643289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#643289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643289

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643289	#FFFFFF	#000000	##FFFFFF
##643289	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06488C

Deuteranopia (green-blind)

#244A87

Tritanopia (blue-blind)

#5E4358

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #643289;
/* rgb */ color: rgb(100, 50, 137);
/* oklch */ color: oklch(42.5% 0.143 307.9);

Tailwind

colors: {
  custom: {
    50: '#936dac',
    500: '#643289',
    950: '#000000',
  },
}

SCSS

$custom: #643289;
$custom-light: #936dac;
$custom-dark: #000000;

JSON

{
  "hex": "#643289",
  "rgb": {
    "r": 100,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 274.483,
    "s": 46.524,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42488,
    "c": 0.14265,
    "h": 307.9
  },
  "luminance": 0.06797
}

Semantic roles & 50–950 ramp

primary

#643289

secondary

#86B166

accent

#D6528A

background

#F9F6FA

surface

#F2ECF4

border

#CCC7CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #643289

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

Preview Lab → · Contrast checker → · Palette generator →