#643AD0#643AD0

#643AD0 is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.2% C 0.215 H 288.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#643AD0
RGB	rgb(100, 58, 208)
HSL	hsl(257, 61%, 52%)
HSV	hsv(257, 72%, 82%)
CMYK	cmyk(51.9%, 72.1%, 0%, 18.4%)
CIE-LAB	lab(38.36, 53.64, -70.88)
CIE-LCH	lch(38.36, 88.89, 307.12°)
OKLab	oklab(49.23% 0.069 -0.2037)
OKLCH	oklch(49.23% 0.215 288.7)
XYZ	xyz(18.1504, 10.2887, 60.6918)
Luminance	0.1029 (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

#643AD0 #A6D03A

analogous

#3A5BD0 #643AD0 #AF3AD0

triadic

#643AD0 #D0643A #3AD064

tetradic

#643AD0 #D03A5B #A6D03A #3AD0AF

square

#643AD0 #D03A5B #A6D03A #3AD0AF

split-complementary

#643AD0 #D0AF3A #5BD03A

monochromatic

#341C74 #4B27A5 #643AD0 #8B6BDC #B29DE8

Accessibility & contrast

On white

6.87

#643AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#643AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643AD0

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AD0	#FFFFFF	#000000	##FFFFFF
##643AD0	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD4

Deuteranopia (green-blind)

#0056CD

Tritanopia (blue-blind)

#3B6282

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643ad0;
/* rgb */ color: rgb(100, 58, 208);
/* oklch */ color: oklch(49.2% 0.215 288.7);

Tailwind

colors: {
  custom: {
    50: '#9a74e0',
    500: '#643ad0',
    950: '#000000',
  },
}

SCSS

$custom: #643ad0;
$custom-light: #9a74e0;
$custom-dark: #000000;

JSON

{
  "hex": "#643ad0",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 208
  },
  "hsl": {
    "h": 256.8,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49234,
    "c": 0.21506,
    "h": 288.7
  },
  "luminance": 0.1029
}

Semantic roles & 50–950 ramp

primary

#643AD0

secondary

#C1D492

accent

#E543B7

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643AD0

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

Preview Lab → · Contrast checker → · Palette generator →