#643CC5#643CC5

#643CC5 is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.5% C 0.200 H 290.3°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#643CC5
RGB	rgb(100, 60, 197)
HSL	hsl(258, 54%, 50%)
HSV	hsv(258, 70%, 77%)
CMYK	cmyk(49.2%, 69.5%, 0%, 22.7%)
CIE-LAB	lab(37.79, 49.56, -65.41)
CIE-LCH	lch(37.79, 82.07, 307.15°)
OKLab	oklab(48.55% 0.0695 -0.1876)
OKLCH	oklch(48.55% 0.2 290.3)
XYZ	xyz(16.9466, 9.9716, 53.8443)
Luminance	0.0997 (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

#643CC5 #9DC53C

analogous

#3C59C5 #643CC5 #A83CC5

triadic

#643CC5 #C5643C #3CC564

tetradic

#643CC5 #C53C59 #9DC53C #3CC5A8

square

#643CC5 #C53C59 #9DC53C #3CC5A8

split-complementary

#643CC5 #C5A83C #59C53C

monochromatic

#341F68 #4C2D97 #643CC5 #896BD3 #AF9AE1

Accessibility & contrast

On white

7.01

#643CC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#643CC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CC5

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CC5	#FFFFFF	#000000	##FFFFFF
##643CC5	1.00	7.01	2.99	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC9

Deuteranopia (green-blind)

#0056C2

Tritanopia (blue-blind)

#435F7C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643cc5;
/* rgb */ color: rgb(100, 60, 197);
/* oklch */ color: oklch(48.5% 0.200 290.3);

Tailwind

colors: {
  custom: {
    50: '#9975d8',
    500: '#643cc5',
    950: '#000000',
  },
}

SCSS

$custom: #643cc5;
$custom-light: #9975d8;
$custom-dark: #000000;

JSON

{
  "hex": "#643cc5",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 197
  },
  "hsl": {
    "h": 257.518,
    "s": 54.15,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48546,
    "c": 0.2001,
    "h": 290.3
  },
  "luminance": 0.09972
}

Semantic roles & 50–950 ramp

primary

#643CC5

secondary

#BBCD90

accent

#DE4AB3

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0815

muted

#7E7B83

Preview Lab

Preview with #643CC5

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

Preview Lab → · Contrast checker → · Palette generator →