#643BD0#643BD0

#643BD0 is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.4% C 0.214 H 288.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#643BD0
RGB	rgb(100, 59, 208)
HSL	hsl(257, 61%, 52%)
HSV	hsv(257, 72%, 82%)
CMYK	cmyk(51.9%, 71.6%, 0%, 18.4%)
CIE-LAB	lab(38.53, 53.14, -70.59)
CIE-LCH	lch(38.53, 88.35, 306.97°)
OKLab	oklab(49.36% 0.0682 -0.2028)
OKLCH	oklch(49.36% 0.214 288.6)
XYZ	xyz(18.2013, 10.3905, 60.7088)
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

#643BD0 #A7D03B

analogous

#3B5DD0 #643BD0 #AF3BD0

triadic

#643BD0 #D0643B #3BD064

tetradic

#643BD0 #D03B5D #A7D03B #3BD0AF

square

#643BD0 #D03B5D #A7D03B #3BD0AF

split-complementary

#643BD0 #D0AF3B #5DD03B

monochromatic

#341C75 #4B28A6 #643BD0 #8B6CDC #B29EE8

Accessibility & contrast

On white

6.82

#643BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#643BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643BD0

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BD0	#FFFFFF	#000000	##FFFFFF
##643BD0	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)

#005ED4

Deuteranopia (green-blind)

#0057CD

Tritanopia (blue-blind)

#3B6382

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #643bd0;
/* rgb */ color: rgb(100, 59, 208);
/* oklch */ color: oklch(49.4% 0.214 288.6);

Tailwind

colors: {
  custom: {
    50: '#9a75e0',
    500: '#643bd0',
    950: '#000000',
  },
}

SCSS

$custom: #643bd0;
$custom-light: #9a75e0;
$custom-dark: #000000;

JSON

{
  "hex": "#643bd0",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 208
  },
  "hsl": {
    "h": 256.51,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.4936,
    "c": 0.21398,
    "h": 288.6
  },
  "luminance": 0.10391
}

Semantic roles & 50–950 ramp

primary

#643BD0

secondary

#C2D493

accent

#E443B8

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643BD0

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

Preview Lab → · Contrast checker → · Palette generator →