#643AAC#643AAC

#643AAC is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.2% C 0.173 H 295.8°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#643AAC
RGB	rgb(100, 58, 172)
HSL	hsl(262, 50%, 45%)
HSV	hsv(262, 66%, 67%)
CMYK	cmyk(41.9%, 66.3%, 0%, 32.5%)
CIE-LAB	lab(35.43, 43.72, -54.52)
CIE-LCH	lch(35.43, 69.88, 308.73°)
OKLab	oklab(46.23% 0.0753 -0.1556)
OKLCH	oklch(46.23% 0.173 295.8)
XYZ	xyz(14.2130, 8.7137, 39.9548)
Luminance	0.0871 (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

#643AAC #82AC3A

analogous

#3A49AC #643AAC #9D3AAC

triadic

#643AAC #AC643A #3AAC64

tetradic

#643AAC #AC3A49 #82AC3A #3AAC9D

square

#643AAC #AC3A49 #82AC3A #3AAC9D

split-complementary

#643AAC #AC9D3A #49AC3A

monochromatic

#2F1B50 #492B7E #643AAC #835BC8 #A689D7

Accessibility & contrast

On white

7.66

#643AAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#643AAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AAC

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AAC	#FFFFFF	#000000	##FFFFFF
##643AAC	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0052AA

Tritanopia (blue-blind)

#51556E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #643aac;
/* rgb */ color: rgb(100, 58, 172);
/* oklch */ color: oklch(46.2% 0.173 295.8);

Tailwind

colors: {
  custom: {
    50: '#9673c6',
    500: '#643aac',
    950: '#000000',
  },
}

SCSS

$custom: #643aac;
$custom-light: #9673c6;
$custom-dark: #000000;

JSON

{
  "hex": "#643aac",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 172
  },
  "hsl": {
    "h": 262.105,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46234,
    "c": 0.17289,
    "h": 295.8
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary

#643AAC

secondary

#A9C280

accent

#D94FA6

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643AAC

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

Preview Lab → · Contrast checker → · Palette generator →