#643AD2#643AD2

#643AD2 is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.4% C 0.217 H 288.4°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#643AD2
RGB	rgb(100, 58, 210)
HSL	hsl(257, 63%, 53%)
HSV	hsv(257, 72%, 82%)
CMYK	cmyk(52.4%, 72.4%, 0%, 17.6%)
CIE-LAB	lab(38.53, 54.19, -71.75)
CIE-LCH	lch(38.53, 89.92, 307.06°)
OKLab	oklab(49.41% 0.0686 -0.2062)
OKLCH	oklch(49.41% 0.217 288.4)
XYZ	xyz(18.3980, 10.3877, 61.9959)
Luminance	0.1039 (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

#643AD2 #A8D23A

analogous

#3A5CD2 #643AD2 #B03AD2

triadic

#643AD2 #D2643A #3AD264

tetradic

#643AD2 #D23A5C #A8D23A #3AD2B0

square

#643AD2 #D23A5C #A8D23A #3AD2B0

split-complementary

#643AD2 #D2B03A #5CD23A

monochromatic

#341B77 #4A26A8 #643AD2 #8B6CDD #B29EE9

Accessibility & contrast

On white

6.82

#643AD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#643AD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643AD2

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AD2	#FFFFFF	#000000	##FFFFFF
##643AD2	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED6

Deuteranopia (green-blind)

#0057CF

Tritanopia (blue-blind)

#396383

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #643ad2;
/* rgb */ color: rgb(100, 58, 210);
/* oklch */ color: oklch(49.4% 0.217 288.4);

Tailwind

colors: {
  custom: {
    50: '#9b74e1',
    500: '#643ad2',
    950: '#000000',
  },
}

SCSS

$custom: #643ad2;
$custom-light: #9b74e1;
$custom-dark: #000000;

JSON

{
  "hex": "#643ad2",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 210
  },
  "hsl": {
    "h": 256.579,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.4941,
    "c": 0.21734,
    "h": 288.4
  },
  "luminance": 0.10389
}

Semantic roles & 50–950 ramp

primary

#643AD2

secondary

#C3D593

accent

#E642B9

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643AD2

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

Preview Lab → · Contrast checker → · Palette generator →