#643FCD#643FCD

#643FCD is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.6% C 0.206 H 288.5°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#643FCD
RGB	rgb(100, 63, 205)
HSL	hsl(256, 59%, 53%)
HSV	hsv(256, 69%, 80%)
CMYK	cmyk(51.2%, 69.3%, 0%, 19.6%)
CIE-LAB	lab(39.02, 50.23, -68.05)
CIE-LCH	lch(39.02, 84.59, 306.43°)
OKLab	oklab(49.63% 0.0653 -0.1954)
OKLCH	oklch(49.63% 0.206 288.5)
XYZ	xyz(18.0493, 10.6713, 58.8545)
Luminance	0.1067 (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

#643FCD #A8CD3F

analogous

#3F61CD #643FCD #AB3FCD

triadic

#643FCD #CD643F #3FCD64

tetradic

#643FCD #CD3F61 #A8CD3F #3FCDAB

square

#643FCD #CD3F61 #A8CD3F #3FCDAB

split-complementary

#643FCD #CDAB3F #61CD3F

monochromatic

#341E74 #4A2BA4 #643FCD #8B70DA #B2A0E6

Accessibility & contrast

On white

6.70

#643FCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#643FCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FCD

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FCD	#FFFFFF	#000000	##FFFFFF
##643FCD	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD1

Deuteranopia (green-blind)

#0058CA

Tritanopia (blue-blind)

#3D6481

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643fcd;
/* rgb */ color: rgb(100, 63, 205);
/* oklch */ color: oklch(49.6% 0.206 288.5);

Tailwind

colors: {
  custom: {
    50: '#9a77dd',
    500: '#643fcd',
    950: '#000000',
  },
}

SCSS

$custom: #643fcd;
$custom-light: #9a77dd;
$custom-dark: #000000;

JSON

{
  "hex": "#643fcd",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 205
  },
  "hsl": {
    "h": 255.634,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49629,
    "c": 0.20604,
    "h": 288.5
  },
  "luminance": 0.10672
}

Semantic roles & 50–950 ramp

primary

#643FCD

secondary

#C3D395

accent

#E246B9

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643FCD

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

Preview Lab → · Contrast checker → · Palette generator →