#643AC8#643AC8

#643AC8 is a mid, highly saturated violet. Relative luminance 0.099; OKLCH L 48.5% C 0.206 H 290.1°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#643AC8
RGB	rgb(100, 58, 200)
HSL	hsl(258, 56%, 51%)
HSV	hsv(258, 71%, 78%)
CMYK	cmyk(50%, 71%, 0%, 21.6%)
CIE-LAB	lab(37.67, 51.42, -67.36)
CIE-LCH	lch(37.67, 84.74, 307.36°)
OKLab	oklab(48.54% 0.0707 -0.1933)
OKLCH	oklch(48.54% 0.206 290.1)
XYZ	xyz(17.1909, 9.9049, 55.6384)
Luminance	0.0991 (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

#643AC8 #9EC83A

analogous

#3A57C8 #643AC8 #AB3AC8

triadic

#643AC8 #C8643A #3AC864

tetradic

#643AC8 #C83A57 #9EC83A #3AC8AB

square

#643AC8 #C83A57 #9EC83A #3AC8AB

split-complementary

#643AC8 #C8AB3A #57C83A

monochromatic

#341E6A #4C2B9A #643AC8 #8A6AD5 #AF9AE3

Accessibility & contrast

On white

7.04

#643AC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#643AC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AC8

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AC8	#FFFFFF	#000000	##FFFFFF
##643AC8	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCC

Deuteranopia (green-blind)

#0055C5

Tritanopia (blue-blind)

#415F7D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643ac8;
/* rgb */ color: rgb(100, 58, 200);
/* oklch */ color: oklch(48.5% 0.206 290.1);

Tailwind

colors: {
  custom: {
    50: '#9974da',
    500: '#643ac8',
    950: '#000000',
  },
}

SCSS

$custom: #643ac8;
$custom-light: #9974da;
$custom-dark: #000000;

JSON

{
  "hex": "#643ac8",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 200
  },
  "hsl": {
    "h": 257.746,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48538,
    "c": 0.20587,
    "h": 290.1
  },
  "luminance": 0.09906
}

Semantic roles & 50–950 ramp

primary

#643AC8

secondary

#BCCE8F

accent

#E048B3

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643AC8

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

Preview Lab → · Contrast checker → · Palette generator →