#643FAD#643FAD

#643FAD is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.0% C 0.167 H 294.6°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#643FAD
RGB	rgb(100, 63, 173)
HSL	hsl(260, 47%, 46%)
HSV	hsv(260, 64%, 68%)
CMYK	cmyk(42.2%, 63.6%, 0%, 32.2%)
CIE-LAB	lab(36.52, 41.24, -53.34)
CIE-LCH	lch(36.52, 67.42, 307.71°)
OKLab	oklab(47.05% 0.0696 -0.1522)
OKLCH	oklch(47.05% 0.167 294.6)
XYZ	xyz(14.5739, 9.2811, 40.5506)
Luminance	0.0928 (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

#643FAD #88AD3F

analogous

#3F51AD #643FAD #9B3FAD

triadic

#643FAD #AD643F #3FAD64

tetradic

#643FAD #AD3F51 #88AD3F #3FAD9B

square

#643FAD #AD3F51 #88AD3F #3FAD9B

split-complementary

#643FAD #AD9B3F #51AD3F

monochromatic

#301E53 #4A2F80 #643FAD #8463C6 #A890D7

Accessibility & contrast

On white

7.35

#643FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#643FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643FAD

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FAD	#FFFFFF	#000000	##FFFFFF
##643FAD	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#0054AB

Tritanopia (blue-blind)

#515870

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #643fad;
/* rgb */ color: rgb(100, 63, 173);
/* oklch */ color: oklch(47.0% 0.167 294.6);

Tailwind

colors: {
  custom: {
    50: '#9676c6',
    500: '#643fad',
    950: '#000000',
  },
}

SCSS

$custom: #643fad;
$custom-light: #9676c6;
$custom-dark: #000000;

JSON

{
  "hex": "#643fad",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 173
  },
  "hsl": {
    "h": 260.182,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47048,
    "c": 0.16734,
    "h": 294.6
  },
  "luminance": 0.09281
}

Semantic roles & 50–950 ramp

primary

#643FAD

secondary

#AEC286

accent

#D652AA

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643FAD

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

Preview Lab → · Contrast checker → · Palette generator →