#643BBC#643BBC

#643BBC is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.7% C 0.191 H 292.2°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#643BBC
RGB	rgb(100, 59, 188)
HSL	hsl(259, 52%, 48%)
HSV	hsv(259, 69%, 74%)
CMYK	cmyk(46.8%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(36.87, 47.58, -61.65)
CIE-LCH	lch(36.87, 77.87, 307.66°)
OKLab	oklab(47.66% 0.072 -0.1766)
OKLCH	oklch(47.66% 0.191 292.2)
XYZ	xyz(15.8941, 9.4676, 48.5572)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.26

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BBC #93BC3B

analogous

#3B52BC #643BBC #A43BBC

triadic

#643BBC #BC643B #3BBC64

tetradic

#643BBC #BC3B52 #93BC3B #3BBCA4

square

#643BBC #BC3B52 #93BC3B #3BBCA4

split-complementary

#643BBC #BCA43B #52BC3B

monochromatic

#321E5F #4B2C8D #643BBC #8765CF #AB94DD

Accessibility & contrast

On white

7.26

#643BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#643BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BBC

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BBC	#FFFFFF	#000000	##FFFFFF
##643BBC	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#495B77

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643bbc;
/* rgb */ color: rgb(100, 59, 188);
/* oklch */ color: oklch(47.7% 0.191 292.2);

Tailwind

colors: {
  custom: {
    50: '#9874d1',
    500: '#643bbc',
    950: '#000000',
  },
}

SCSS

$custom: #643bbc;
$custom-light: #9874d1;
$custom-dark: #000000;

JSON

{
  "hex": "#643bbc",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 259.07,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4766,
    "c": 0.19069,
    "h": 292.2
  },
  "luminance": 0.09468
}

Semantic roles & 50–950 ramp

primary

#643BBC

secondary

#B5C98A

accent

#DC4CAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643BBC

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

Preview Lab → · Contrast checker → · Palette generator →