#643AC1#643AC1

#643AC1 is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.9% C 0.198 H 291.4°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#643AC1
RGB	rgb(100, 58, 193)
HSL	hsl(259, 54%, 49%)
HSV	hsv(259, 70%, 76%)
CMYK	cmyk(48.2%, 69.9%, 0%, 24.3%)
CIE-LAB	lab(37.09, 49.49, -64.23)
CIE-LCH	lch(37.09, 81.08, 307.61°)
OKLab	oklab(47.94% 0.0721 -0.1841)
OKLCH	oklch(47.94% 0.198 291.4)
XYZ	xyz(16.3915, 9.5851, 51.4282)
Luminance	0.0959 (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

#643AC1 #97C13A

analogous

#3A53C1 #643AC1 #A83AC1

triadic

#643AC1 #C1643A #3AC164

tetradic

#643AC1 #C13A53 #97C13A #3AC1A8

square

#643AC1 #C13A53 #97C13A #3AC1A8

split-complementary

#643AC1 #C1A83A #53C13A

monochromatic

#331E63 #4C2C92 #643AC1 #8867D1 #AD96DF

Accessibility & contrast

On white

7.20

#643AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#643AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AC1

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AC1	#FFFFFF	#000000	##FFFFFF
##643AC1	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C5

Deuteranopia (green-blind)

#0054BE

Tritanopia (blue-blind)

#465C79

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643ac1;
/* rgb */ color: rgb(100, 58, 193);
/* oklch */ color: oklch(47.9% 0.198 291.4);

Tailwind

colors: {
  custom: {
    50: '#9873d5',
    500: '#643ac1',
    950: '#000000',
  },
}

SCSS

$custom: #643ac1;
$custom-light: #9873d5;
$custom-dark: #000000;

JSON

{
  "hex": "#643ac1",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 193
  },
  "hsl": {
    "h": 258.667,
    "s": 53.785,
    "l": 49.216
  },
  "oklch": {
    "l": 0.47942,
    "c": 0.19775,
    "h": 291.4
  },
  "luminance": 0.09586
}

Semantic roles & 50–950 ramp

primary

#643AC1

secondary

#B7CB8C

accent

#DD4BB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643AC1

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

Preview Lab → · Contrast checker → · Palette generator →