#643AAD#643AAD

#643AAD is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.3% C 0.174 H 295.6°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#643AAD
RGB	rgb(100, 58, 173)
HSL	hsl(262, 50%, 45%)
HSV	hsv(262, 66%, 68%)
CMYK	cmyk(42.2%, 66.5%, 0%, 32.2%)
CIE-LAB	lab(35.50, 43.99, -54.99)
CIE-LCH	lch(35.50, 70.42, 308.66°)
OKLab	oklab(46.31% 0.0752 -0.157)
OKLCH	oklch(46.31% 0.174 295.6)
XYZ	xyz(14.3094, 8.7522, 40.4625)
Luminance	0.0875 (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

#643AAD #83AD3A

analogous

#3A49AD #643AAD #9D3AAD

triadic

#643AAD #AD643A #3AAD64

tetradic

#643AAD #AD3A49 #83AD3A #3AAD9D

square

#643AAD #AD3A49 #83AD3A #3AAD9D

split-complementary

#643AAD #AD9D3A #49AD3A

monochromatic

#2F1B51 #4A2B7F #643AAD #835CC8 #A68AD8

Accessibility & contrast

On white

7.63

#643AAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#643AAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AAD

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AAD	#FFFFFF	#000000	##FFFFFF
##643AAD	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B1

Deuteranopia (green-blind)

#0052AB

Tritanopia (blue-blind)

#51556E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #643aad;
/* rgb */ color: rgb(100, 58, 173);
/* oklch */ color: oklch(46.3% 0.174 295.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#643aad",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 173
  },
  "hsl": {
    "h": 261.913,
    "s": 49.784,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46313,
    "c": 0.17409,
    "h": 295.6
  },
  "luminance": 0.08753
}

Semantic roles & 50–950 ramp

primary

#643AAD

secondary

#AAC281

accent

#D94EA7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643AAD

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

Preview Lab → · Contrast checker → · Palette generator →