#643DD2#643DD2

#643DD2 is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.8% C 0.214 H 288.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#643DD2
RGB	rgb(100, 61, 210)
HSL	hsl(256, 62%, 53%)
HSV	hsv(256, 71%, 82%)
CMYK	cmyk(52.4%, 71%, 0%, 17.6%)
CIE-LAB	lab(39.07, 52.68, -70.87)
CIE-LCH	lch(39.07, 88.30, 306.63°)
OKLab	oklab(49.79% 0.0661 -0.2036)
OKLCH	oklch(49.79% 0.214 288)
XYZ	xyz(18.5537, 10.6991, 62.0478)
Luminance	0.1070 (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

#643DD2 #ABD23D

analogous

#3D60D2 #643DD2 #AF3DD2

triadic

#643DD2 #D2643D #3DD264

tetradic

#643DD2 #D23D60 #ABD23D #3DD2AF

square

#643DD2 #D23D60 #ABD23D #3DD2AF

split-complementary

#643DD2 #D2AF3D #60D23D

monochromatic

#341C79 #4A28AA #643DD2 #8C6FDE #B3A0E9

Accessibility & contrast

On white

6.69

#643DD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#643DD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DD2

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DD2	#FFFFFF	#000000	##FFFFFF
##643DD2	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD6

Deuteranopia (green-blind)

#0058CF

Tritanopia (blue-blind)

#396483

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643dd2;
/* rgb */ color: rgb(100, 61, 210);
/* oklch */ color: oklch(49.8% 0.214 288.0);

Tailwind

colors: {
  custom: {
    50: '#9a76e1',
    500: '#643dd2',
    950: '#000000',
  },
}

SCSS

$custom: #643dd2;
$custom-light: #9a76e1;
$custom-dark: #000000;

JSON

{
  "hex": "#643dd2",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 210
  },
  "hsl": {
    "h": 255.705,
    "s": 62.343,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49792,
    "c": 0.21411,
    "h": 288
  },
  "luminance": 0.107
}

Semantic roles & 50–950 ramp

primary

#643DD2

secondary

#C5D695

accent

#E542BB

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643DD2

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

Preview Lab → · Contrast checker → · Palette generator →