#643BAA#643BAA

#643BAA is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.2% C 0.169 H 296.1°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#643BAA
RGB	rgb(100, 59, 170)
HSL	hsl(262, 48%, 45%)
HSV	hsv(262, 65%, 67%)
CMYK	cmyk(41.2%, 65.3%, 0%, 33.3%)
CIE-LAB	lab(35.48, 42.63, -53.24)
CIE-LCH	lch(35.48, 68.21, 308.69°)
OKLab	oklab(46.22% 0.0744 -0.1519)
OKLCH	oklch(46.22% 0.169 296.1)
XYZ	xyz(14.0733, 8.7392, 38.9678)
Luminance	0.0874 (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

#643BAA #81AA3B

analogous

#3B4AAA #643BAA #9C3BAA

triadic

#643BAA #AA643B #3BAA64

tetradic

#643BAA #AA3B4A #81AA3B #3BAA9C

square

#643BAA #AA3B4A #81AA3B #3BAA9C

split-complementary

#643BAA #AA9C3B #4AAA3B

monochromatic

#2F1B4F #492B7D #643BAA #835CC6 #A689D6

Accessibility & contrast

On white

7.64

#643BAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#643BAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BAA

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BAA	#FFFFFF	#000000	##FFFFFF
##643BAA	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AD

Deuteranopia (green-blind)

#0052A8

Tritanopia (blue-blind)

#52556D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #643baa;
/* rgb */ color: rgb(100, 59, 170);
/* oklch */ color: oklch(46.2% 0.169 296.1);

Tailwind

colors: {
  custom: {
    50: '#9673c4',
    500: '#643baa',
    950: '#000000',
  },
}

SCSS

$custom: #643baa;
$custom-light: #9673c4;
$custom-dark: #000000;

JSON

{
  "hex": "#643baa",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 170
  },
  "hsl": {
    "h": 262.162,
    "s": 48.472,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46223,
    "c": 0.16913,
    "h": 296.1
  },
  "luminance": 0.0874
}

Semantic roles & 50–950 ramp

primary

#643BAA

secondary

#A9C080

accent

#D850A6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643BAA

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

Preview Lab → · Contrast checker → · Palette generator →