#643EAD#643EAD

#643EAD is a mid, vivid violet. Relative luminance 0.092; OKLCH L 46.9% C 0.169 H 294.8°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#643EAD
RGB	rgb(100, 62, 173)
HSL	hsl(261, 47%, 46%)
HSV	hsv(261, 64%, 68%)
CMYK	cmyk(42.2%, 64.2%, 0%, 32.2%)
CIE-LAB	lab(36.31, 41.80, -53.68)
CIE-LCH	lch(36.31, 68.03, 307.91°)
OKLab	oklab(46.9% 0.0707 -0.1532)
OKLCH	oklch(46.9% 0.169 294.8)
XYZ	xyz(14.5190, 9.1714, 40.5323)
Luminance	0.0917 (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

#643EAD #87AD3E

analogous

#3E4FAD #643EAD #9B3EAD

triadic

#643EAD #AD643E #3EAD64

tetradic

#643EAD #AD3E4F #87AD3E #3EAD9B

square

#643EAD #AD3E4F #87AD3E #3EAD9B

split-complementary

#643EAD #AD9B3E #4FAD3E

monochromatic

#301E53 #4A2E80 #643EAD #8462C7 #A78FD7

Accessibility & contrast

On white

7.41

#643EAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#643EAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643EAD

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EAD	#FFFFFF	#000000	##FFFFFF
##643EAD	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#0054AB

Tritanopia (blue-blind)

#515870

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #643ead;
/* rgb */ color: rgb(100, 62, 173);
/* oklch */ color: oklch(46.9% 0.169 294.8);

Tailwind

colors: {
  custom: {
    50: '#9675c6',
    500: '#643ead',
    950: '#000000',
  },
}

SCSS

$custom: #643ead;
$custom-light: #9675c6;
$custom-dark: #000000;

JSON

{
  "hex": "#643ead",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 173
  },
  "hsl": {
    "h": 260.541,
    "s": 47.234,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46897,
    "c": 0.16871,
    "h": 294.8
  },
  "luminance": 0.09172
}

Semantic roles & 50–950 ramp

primary

#643EAD

secondary

#ADC285

accent

#D751A9

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643EAD

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

Preview Lab → · Contrast checker → · Palette generator →