#643AAB#643AAB

#643AAB is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.2% C 0.172 H 296.1°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#643AAB
RGB	rgb(100, 58, 171)
HSL	hsl(262, 49%, 45%)
HSV	hsv(262, 66%, 67%)
CMYK	cmyk(41.5%, 66.1%, 0%, 32.9%)
CIE-LAB	lab(35.35, 43.45, -54.04)
CIE-LCH	lch(35.35, 69.34, 308.80°)
OKLab	oklab(46.16% 0.0754 -0.1542)
OKLCH	oklch(46.16% 0.172 296.1)
XYZ	xyz(14.1173, 8.6754, 39.4509)
Luminance	0.0868 (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

#643AAB #81AB3A

analogous

#3A48AB #643AAB #9D3AAB

triadic

#643AAB #AB643A #3AAB64

tetradic

#643AAB #AB3A48 #81AB3A #3AAB9D

square

#643AAB #AB3A48 #81AB3A #3AAB9D

split-complementary

#643AAB #AB9D3A #48AB3A

monochromatic

#2F1B50 #492A7D #643AAB #835BC7 #A689D7

Accessibility & contrast

On white

7.68

#643AAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#643AAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AAB

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AAB	#FFFFFF	#000000	##FFFFFF
##643AAB	1.00	7.68	2.74	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0052A9

Tritanopia (blue-blind)

#52546D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #643aab;
/* rgb */ color: rgb(100, 58, 171);
/* oklch */ color: oklch(46.2% 0.172 296.1);

Tailwind

colors: {
  custom: {
    50: '#9673c5',
    500: '#643aab',
    950: '#000000',
  },
}

SCSS

$custom: #643aab;
$custom-light: #9673c5;
$custom-dark: #000000;

JSON

{
  "hex": "#643aab",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 171
  },
  "hsl": {
    "h": 262.301,
    "s": 49.345,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46156,
    "c": 0.17168,
    "h": 296.1
  },
  "luminance": 0.08676
}

Semantic roles & 50–950 ramp

primary

#643AAB

secondary

#A9C180

accent

#D94FA6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643AAB

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

Preview Lab → · Contrast checker → · Palette generator →