#643AD1#643AD1

#643AD1 is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.3% C 0.216 H 288.6°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#643AD1
RGB	rgb(100, 58, 209)
HSL	hsl(257, 62%, 52%)
HSV	hsv(257, 72%, 82%)
CMYK	cmyk(52.2%, 72.2%, 0%, 18%)
CIE-LAB	lab(38.44, 53.92, -71.32)
CIE-LCH	lch(38.44, 89.40, 307.09°)
OKLab	oklab(49.32% 0.0688 -0.205)
OKLCH	oklch(49.32% 0.216 288.6)
XYZ	xyz(18.2738, 10.3380, 61.3418)
Luminance	0.1034 (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

#643AD1 #A7D13A

analogous

#3A5BD1 #643AD1 #B03AD1

triadic

#643AD1 #D1643A #3AD164

tetradic

#643AD1 #D13A5B #A7D13A #3AD1B0

square

#643AD1 #D13A5B #A7D13A #3AD1B0

split-complementary

#643AD1 #D1B03A #5BD13A

monochromatic

#341B75 #4B27A7 #643AD1 #8B6CDD #B29DE8

Accessibility & contrast

On white

6.85

#643AD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#643AD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643AD1

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AD1	#FFFFFF	#000000	##FFFFFF
##643AD1	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED5

Deuteranopia (green-blind)

#0057CE

Tritanopia (blue-blind)

#3A6382

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643ad1;
/* rgb */ color: rgb(100, 58, 209);
/* oklch */ color: oklch(49.3% 0.216 288.6);

Tailwind

colors: {
  custom: {
    50: '#9a74e0',
    500: '#643ad1',
    950: '#000000',
  },
}

SCSS

$custom: #643ad1;
$custom-light: #9a74e0;
$custom-dark: #000000;

JSON

{
  "hex": "#643ad1",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 209
  },
  "hsl": {
    "h": 256.689,
    "s": 62.14,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49322,
    "c": 0.2162,
    "h": 288.6
  },
  "luminance": 0.10339
}

Semantic roles & 50–950 ramp

primary

#643AD1

secondary

#C2D493

accent

#E543B8

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643AD1

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

Preview Lab → · Contrast checker → · Palette generator →