#643ABB#643ABB

#643ABB is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.4% C 0.191 H 292.5°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#643ABB
RGB	rgb(100, 58, 187)
HSL	hsl(260, 53%, 48%)
HSV	hsv(260, 69%, 73%)
CMYK	cmyk(46.5%, 69%, 0%, 26.7%)
CIE-LAB	lab(36.60, 47.83, -61.50)
CIE-LCH	lch(36.60, 77.91, 307.87°)
OKLab	oklab(47.44% 0.0731 -0.1761)
OKLCH	oklch(47.44% 0.191 292.5)
XYZ	xyz(15.7357, 9.3228, 47.9745)
Luminance	0.0932 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.53

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643ABB #91BB3A

analogous

#3A50BB #643ABB #A43ABB

triadic

#643ABB #BB643A #3ABB64

tetradic

#643ABB #BB3A50 #91BB3A #3ABBA4

square

#643ABB #BB3A50 #91BB3A #3ABBA4

split-complementary

#643ABB #BBA43A #50BB3A

monochromatic

#321D5E #4B2C8C #643ABB #8663CF #AB92DD

Accessibility & contrast

On white

7.33

#643ABB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#643ABB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643ABB

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ABB	#FFFFFF	#000000	##FFFFFF
##643ABB	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#4A5A76

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #643abb;
/* rgb */ color: rgb(100, 58, 187);
/* oklch */ color: oklch(47.4% 0.191 292.5);

Tailwind

colors: {
  custom: {
    50: '#9873d0',
    500: '#643abb',
    950: '#000000',
  },
}

SCSS

$custom: #643abb;
$custom-light: #9873d0;
$custom-dark: #000000;

JSON

{
  "hex": "#643abb",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 187
  },
  "hsl": {
    "h": 259.535,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.47441,
    "c": 0.19072,
    "h": 292.5
  },
  "luminance": 0.09323
}

Semantic roles & 50–950 ramp

primary

#643ABB

secondary

#B4C888

accent

#DC4CAD

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #643ABB

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

Preview Lab → · Contrast checker → · Palette generator →