#643ABF#643ABF

#643ABF is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.8% C 0.195 H 291.8°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#643ABF
RGB	rgb(100, 58, 191)
HSL	hsl(259, 53%, 49%)
HSV	hsv(259, 70%, 75%)
CMYK	cmyk(47.6%, 69.6%, 0%, 25.1%)
CIE-LAB	lab(36.92, 48.93, -63.32)
CIE-LCH	lch(36.92, 80.03, 307.70°)
OKLab	oklab(47.77% 0.0724 -0.1815)
OKLCH	oklch(47.77% 0.195 291.8)
XYZ	xyz(16.1699, 9.4964, 50.2611)
Luminance	0.0950 (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

#643ABF #95BF3A

analogous

#3A53BF #643ABF #A73ABF

triadic

#643ABF #BF643A #3ABF64

tetradic

#643ABF #BF3A53 #95BF3A #3ABFA7

square

#643ABF #BF3A53 #95BF3A #3ABFA7

split-complementary

#643ABF #BFA73A #53BF3A

monochromatic

#331D61 #4B2C90 #643ABF #8766D0 #AC95DF

Accessibility & contrast

On white

7.24

#643ABF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#643ABF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643ABF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ABF	#FFFFFF	#000000	##FFFFFF
##643ABF	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#0054BC

Tritanopia (blue-blind)

#475C78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643abf;
/* rgb */ color: rgb(100, 58, 191);
/* oklch */ color: oklch(47.8% 0.195 291.8);

Tailwind

colors: {
  custom: {
    50: '#9873d3',
    500: '#643abf',
    950: '#000000',
  },
}

SCSS

$custom: #643abf;
$custom-light: #9873d3;
$custom-dark: #000000;

JSON

{
  "hex": "#643abf",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 191
  },
  "hsl": {
    "h": 258.947,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.47774,
    "c": 0.19542,
    "h": 291.8
  },
  "luminance": 0.09497
}

Semantic roles & 50–950 ramp

primary

#643ABF

secondary

#B6CA8B

accent

#DD4BAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643ABF

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

Preview Lab → · Contrast checker → · Palette generator →