#643AAF#643AAF

#643AAF is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.5% C 0.176 H 295.1°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#643AAF
RGB	rgb(100, 58, 175)
HSL	hsl(262, 50%, 46%)
HSV	hsv(262, 67%, 69%)
CMYK	cmyk(42.9%, 66.9%, 0%, 31.4%)
CIE-LAB	lab(35.66, 44.54, -55.93)
CIE-LCH	lch(35.66, 71.50, 308.53°)
OKLab	oklab(46.47% 0.0749 -0.1598)
OKLCH	oklch(46.47% 0.176 295.1)
XYZ	xyz(14.5044, 8.8302, 41.4893)
Luminance	0.0883 (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

#643AAF #85AF3A

analogous

#3A4BAF #643AAF #9E3AAF

triadic

#643AAF #AF643A #3AAF64

tetradic

#643AAF #AF3A4B #85AF3A #3AAF9E

square

#643AAF #AF3A4B #85AF3A #3AAF9E

split-complementary

#643AAF #AF9E3A #4BAF3A

monochromatic

#2F1C53 #4A2B81 #643AAF #845DC9 #A78BD9

Accessibility & contrast

On white

7.59

#643AAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#643AAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AAF

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AAF	#FFFFFF	#000000	##FFFFFF
##643AAF	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#0052AD

Tritanopia (blue-blind)

#50566F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643aaf;
/* rgb */ color: rgb(100, 58, 175);
/* oklch */ color: oklch(46.5% 0.176 295.1);

Tailwind

colors: {
  custom: {
    50: '#9673c8',
    500: '#643aaf',
    950: '#000000',
  },
}

SCSS

$custom: #643aaf;
$custom-light: #9673c8;
$custom-dark: #000000;

JSON

{
  "hex": "#643aaf",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 175
  },
  "hsl": {
    "h": 261.538,
    "s": 50.215,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4647,
    "c": 0.17648,
    "h": 295.1
  },
  "luminance": 0.08831
}

Semantic roles & 50–950 ramp

primary

#643AAF

secondary

#ACC382

accent

#DA4EA8

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #643AAF

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

Preview Lab → · Contrast checker → · Palette generator →