#643CBC#643CBC

#643CBC is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.8% C 0.189 H 292.0°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#643CBC
RGB	rgb(100, 60, 188)
HSL	hsl(259, 52%, 49%)
HSV	hsv(259, 68%, 74%)
CMYK	cmyk(46.8%, 68.1%, 0%, 26.3%)
CIE-LAB	lab(37.06, 47.05, -61.33)
CIE-LCH	lch(37.06, 77.30, 307.49°)
OKLab	oklab(47.8% 0.071 -0.1757)
OKLCH	oklch(47.8% 0.189 292)
XYZ	xyz(15.9460, 9.5713, 48.5745)
Luminance	0.0957 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CBC #94BC3C

analogous

#3C54BC #643CBC #A43CBC

triadic

#643CBC #BC643C #3CBC64

tetradic

#643CBC #BC3C54 #94BC3C #3CBCA4

square

#643CBC #BC3C54 #94BC3C #3CBCA4

split-complementary

#643CBC #BCA43C #54BC3C

monochromatic

#331E5F #4B2D8E #643CBC #8767CE #AC95DD

Accessibility & contrast

On white

7.21

#643CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#643CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CBC

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CBC	#FFFFFF	#000000	##FFFFFF
##643CBC	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#495C77

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643cbc;
/* rgb */ color: rgb(100, 60, 188);
/* oklch */ color: oklch(47.8% 0.189 292.0);

Tailwind

colors: {
  custom: {
    50: '#9875d1',
    500: '#643cbc',
    950: '#000000',
  },
}

SCSS

$custom: #643cbc;
$custom-light: #9875d1;
$custom-dark: #000000;

JSON

{
  "hex": "#643cbc",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 188
  },
  "hsl": {
    "h": 258.75,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47798,
    "c": 0.18948,
    "h": 292
  },
  "luminance": 0.09572
}

Semantic roles & 50–950 ramp

primary

#643CBC

secondary

#B5C98B

accent

#DB4DAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643CBC

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

Preview Lab → · Contrast checker → · Palette generator →