#643DD0#643DD0

#643DD0 is a mid, highly saturated violet. Relative luminance 0.106; OKLCH L 49.6% C 0.212 H 288.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#643DD0
RGB	rgb(100, 61, 208)
HSL	hsl(256, 61%, 53%)
HSV	hsv(256, 71%, 82%)
CMYK	cmyk(51.9%, 70.7%, 0%, 18.4%)
CIE-LAB	lab(38.90, 52.12, -69.99)
CIE-LCH	lch(38.90, 87.26, 306.67°)
OKLab	oklab(49.62% 0.0665 -0.2011)
OKLCH	oklch(49.62% 0.212 288.3)
XYZ	xyz(18.3061, 10.6000, 60.7437)
Luminance	0.1060 (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

#643DD0 #A9D03D

analogous

#3D60D0 #643DD0 #AD3DD0

triadic

#643DD0 #D0643D #3DD064

tetradic

#643DD0 #D03D60 #A9D03D #3DD0AD

square

#643DD0 #D03D60 #A9D03D #3DD0AD

split-complementary

#643DD0 #D0AD3D #60D03D

monochromatic

#341D76 #4A29A7 #643DD0 #8B6EDC #B3A0E8

Accessibility & contrast

On white

6.73

#643DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#643DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DD0

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DD0	#FFFFFF	#000000	##FFFFFF
##643DD0	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD4

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#3B6482

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643dd0;
/* rgb */ color: rgb(100, 61, 208);
/* oklch */ color: oklch(49.6% 0.212 288.3);

Tailwind

colors: {
  custom: {
    50: '#9a76df',
    500: '#643dd0',
    950: '#000000',
  },
}

SCSS

$custom: #643dd0;
$custom-light: #9a76df;
$custom-dark: #000000;

JSON

{
  "hex": "#643dd0",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 208
  },
  "hsl": {
    "h": 255.918,
    "s": 60.996,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49619,
    "c": 0.2118,
    "h": 288.3
  },
  "luminance": 0.10601
}

Semantic roles & 50–950 ramp

primary

#643DD0

secondary

#C3D495

accent

#E444BA

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643DD0

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

Preview Lab → · Contrast checker → · Palette generator →