#643DCA#643DCA

#643DCA is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.1% C 0.205 H 289.3°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#643DCA
RGB	rgb(100, 61, 202)
HSL	hsl(257, 57%, 52%)
HSV	hsv(257, 70%, 79%)
CMYK	cmyk(50.5%, 69.8%, 0%, 20.8%)
CIE-LAB	lab(38.39, 50.44, -67.34)
CIE-LCH	lch(38.39, 84.13, 306.83°)
OKLab	oklab(49.1% 0.0677 -0.1933)
OKLCH	oklch(49.1% 0.205 289.3)
XYZ	xyz(17.5819, 10.3103, 56.9293)
Luminance	0.1031 (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

#643DCA #A3CA3D

analogous

#3D5DCA #643DCA #AB3DCA

triadic

#643DCA #CA643D #3DCA64

tetradic

#643DCA #CA3D5D #A3CA3D #3DCAAB

square

#643DCA #CA3D5D #A3CA3D #3DCAAB

split-complementary

#643DCA #CAAB3D #5DCA3D

monochromatic

#341E6E #4B2B9F #643DCA #8A6DD7 #B19DE4

Accessibility & contrast

On white

6.86

#643DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#643DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DCA

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DCA	#FFFFFF	#000000	##FFFFFF
##643DCA	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCE

Deuteranopia (green-blind)

#0057C7

Tritanopia (blue-blind)

#40617F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643dca;
/* rgb */ color: rgb(100, 61, 202);
/* oklch */ color: oklch(49.1% 0.205 289.3);

Tailwind

colors: {
  custom: {
    50: '#9976db',
    500: '#643dca',
    950: '#000000',
  },
}

SCSS

$custom: #643dca;
$custom-light: #9976db;
$custom-dark: #000000;

JSON

{
  "hex": "#643dca",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 202
  },
  "hsl": {
    "h": 256.596,
    "s": 57.085,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49104,
    "c": 0.20481,
    "h": 289.3
  },
  "luminance": 0.10311
}

Semantic roles & 50–950 ramp

primary

#643DCA

secondary

#BFD092

accent

#E047B6

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643DCA

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

Preview Lab → · Contrast checker → · Palette generator →