#643AAE#643AAE

#643AAE is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.4% C 0.175 H 295.4°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#643AAE
RGB	rgb(100, 58, 174)
HSL	hsl(262, 50%, 45%)
HSV	hsv(262, 67%, 68%)
CMYK	cmyk(42.5%, 66.7%, 0%, 31.8%)
CIE-LAB	lab(35.58, 44.27, -55.46)
CIE-LCH	lch(35.58, 70.96, 308.59°)
OKLab	oklab(46.39% 0.0751 -0.1584)
OKLCH	oklch(46.39% 0.175 295.4)
XYZ	xyz(14.4065, 8.7911, 40.9740)
Luminance	0.0879 (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

#643AAE #84AE3A

analogous

#3A4AAE #643AAE #9E3AAE

triadic

#643AAE #AE643A #3AAE64

tetradic

#643AAE #AE3A4A #84AE3A #3AAE9E

square

#643AAE #AE3A4A #84AE3A #3AAE9E

split-complementary

#643AAE #AE9E3A #4AAE3A

monochromatic

#2F1B52 #4A2B80 #643AAE #845CC9 #A68AD8

Accessibility & contrast

On white

7.61

#643AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#643AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AAE

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AAE	#FFFFFF	#000000	##FFFFFF
##643AAE	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B2

Deuteranopia (green-blind)

#0052AC

Tritanopia (blue-blind)

#50556F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643aae;
/* rgb */ color: rgb(100, 58, 174);
/* oklch */ color: oklch(46.4% 0.175 295.4);

Tailwind

colors: {
  custom: {
    50: '#9673c7',
    500: '#643aae',
    950: '#000000',
  },
}

SCSS

$custom: #643aae;
$custom-light: #9673c7;
$custom-dark: #000000;

JSON

{
  "hex": "#643aae",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 174
  },
  "hsl": {
    "h": 261.724,
    "s": 50,
    "l": 45.49
  },
  "oklch": {
    "l": 0.46391,
    "c": 0.17529,
    "h": 295.4
  },
  "luminance": 0.08791
}

Semantic roles & 50–950 ramp

primary

#643AAE

secondary

#ABC281

accent

#DA4EA7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643AAE

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

Preview Lab → · Contrast checker → · Palette generator →