#643EAC#643EAC

#643EAC is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.8% C 0.167 H 295.0°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#643EAC
RGB	rgb(100, 62, 172)
HSL	hsl(261, 47%, 46%)
HSV	hsv(261, 64%, 67%)
CMYK	cmyk(41.9%, 64%, 0%, 32.5%)
CIE-LAB	lab(36.24, 41.52, -53.20)
CIE-LCH	lch(36.24, 67.49, 307.97°)
OKLab	oklab(46.82% 0.0708 -0.1518)
OKLCH	oklch(46.82% 0.167 295)
XYZ	xyz(14.4226, 9.1328, 40.0247)
Luminance	0.0913 (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

#643EAC #86AC3E

analogous

#3E4FAC #643EAC #9B3EAC

triadic

#643EAC #AC643E #3EAC64

tetradic

#643EAC #AC3E4F #86AC3E #3EAC9B

square

#643EAC #AC3E4F #86AC3E #3EAC9B

split-complementary

#643EAC #AC9B3E #4FAC3E

monochromatic

#301E52 #4A2E7F #643EAC #8461C6 #A78ED6

Accessibility & contrast

On white

7.43

#643EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#643EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643EAC

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EAC	#FFFFFF	#000000	##FFFFFF
##643EAC	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#51576F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #643eac;
/* rgb */ color: rgb(100, 62, 172);
/* oklch */ color: oklch(46.8% 0.167 295.0);

Tailwind

colors: {
  custom: {
    50: '#9675c5',
    500: '#643eac',
    950: '#000000',
  },
}

SCSS

$custom: #643eac;
$custom-light: #9675c5;
$custom-dark: #000000;

JSON

{
  "hex": "#643eac",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 172
  },
  "hsl": {
    "h": 260.727,
    "s": 47.009,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46821,
    "c": 0.16748,
    "h": 295
  },
  "luminance": 0.09133
}

Semantic roles & 50–950 ramp

primary

#643EAC

secondary

#ACC185

accent

#D751A9

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643EAC

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

Preview Lab → · Contrast checker → · Palette generator →