#643ACF#643ACF

#643ACF is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 49.1% C 0.214 H 288.9°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#643ACF
RGB	rgb(100, 58, 207)
HSL	hsl(257, 61%, 52%)
HSV	hsv(257, 72%, 81%)
CMYK	cmyk(51.7%, 72%, 0%, 18.8%)
CIE-LAB	lab(38.27, 53.36, -70.44)
CIE-LCH	lch(38.27, 88.37, 307.14°)
OKLab	oklab(49.15% 0.0693 -0.2024)
OKLCH	oklch(49.15% 0.214 288.9)
XYZ	xyz(18.0278, 10.2396, 60.0459)
Luminance	0.1024 (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

#643ACF #A5CF3A

analogous

#3A5BCF #643ACF #AF3ACF

triadic

#643ACF #CF643A #3ACF64

tetradic

#643ACF #CF3A5B #A5CF3A #3ACFAF

square

#643ACF #CF3A5B #A5CF3A #3ACFAF

split-complementary

#643ACF #CFAF3A #5BCF3A

monochromatic

#341C73 #4B28A4 #643ACF #8B6BDB #B19CE7

Accessibility & contrast

On white

6.89

#643ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#643ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ACF

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ACF	#FFFFFF	#000000	##FFFFFF
##643ACF	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0056CC

Tritanopia (blue-blind)

#3C6281

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643acf;
/* rgb */ color: rgb(100, 58, 207);
/* oklch */ color: oklch(49.1% 0.214 288.9);

Tailwind

colors: {
  custom: {
    50: '#9a74df',
    500: '#643acf',
    950: '#000000',
  },
}

SCSS

$custom: #643acf;
$custom-light: #9a74df;
$custom-dark: #000000;

JSON

{
  "hex": "#643acf",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 207
  },
  "hsl": {
    "h": 256.913,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49146,
    "c": 0.21392,
    "h": 288.9
  },
  "luminance": 0.1024
}

Semantic roles & 50–950 ramp

primary

#643ACF

secondary

#C1D392

accent

#E444B7

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643ACF

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

Preview Lab → · Contrast checker → · Palette generator →