#643CC2#643CC2

#643CC2 is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.3% C 0.197 H 290.9°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#643CC2
RGB	rgb(100, 60, 194)
HSL	hsl(258, 53%, 50%)
HSV	hsv(258, 69%, 76%)
CMYK	cmyk(48.5%, 69.1%, 0%, 23.9%)
CIE-LAB	lab(37.55, 48.72, -64.06)
CIE-LCH	lch(37.55, 80.49, 307.25°)
OKLab	oklab(48.29% 0.07 -0.1837)
OKLCH	oklch(48.29% 0.197 290.9)
XYZ	xyz(16.6062, 9.8354, 52.0519)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CC2 #9AC23C

analogous

#3C57C2 #643CC2 #A73CC2

triadic

#643CC2 #C2643C #3CC264

tetradic

#643CC2 #C23C57 #9AC23C #3CC2A7

square

#643CC2 #C23C57 #9AC23C #3CC2A7

split-complementary

#643CC2 #C2A73C #57C23C

monochromatic

#341F65 #4C2E93 #643CC2 #896AD1 #AE99DF

Accessibility & contrast

On white

7.08

#643CC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#643CC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CC2

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CC2	#FFFFFF	#000000	##FFFFFF
##643CC2	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC6

Deuteranopia (green-blind)

#0055BF

Tritanopia (blue-blind)

#455E7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643cc2;
/* rgb */ color: rgb(100, 60, 194);
/* oklch */ color: oklch(48.3% 0.197 290.9);

Tailwind

colors: {
  custom: {
    50: '#9875d5',
    500: '#643cc2',
    950: '#000000',
  },
}

SCSS

$custom: #643cc2;
$custom-light: #9875d5;
$custom-dark: #000000;

JSON

{
  "hex": "#643cc2",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 194
  },
  "hsl": {
    "h": 257.91,
    "s": 52.756,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48294,
    "c": 0.19657,
    "h": 290.9
  },
  "luminance": 0.09836
}

Semantic roles & 50–950 ramp

primary

#643CC2

secondary

#B9CB8F

accent

#DC4CB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643CC2

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

Preview Lab → · Contrast checker → · Palette generator →