#643CBD#643CBD

#643CBD is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.9% C 0.191 H 291.8°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#643CBD
RGB	rgb(100, 60, 189)
HSL	hsl(259, 52%, 49%)
HSV	hsv(259, 68%, 74%)
CMYK	cmyk(47.1%, 68.3%, 0%, 25.9%)
CIE-LAB	lab(37.14, 47.33, -61.79)
CIE-LCH	lch(37.14, 77.83, 307.45°)
OKLab	oklab(47.88% 0.0708 -0.177)
OKLCH	oklch(47.88% 0.191 291.8)
XYZ	xyz(16.0541, 9.6146, 49.1442)
Luminance	0.0961 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CBD #95BD3C

analogous

#3C55BD #643CBD #A53CBD

triadic

#643CBD #BD643C #3CBD64

tetradic

#643CBD #BD3C55 #95BD3C #3CBDA5

square

#643CBD #BD3C55 #95BD3C #3CBDA5

split-complementary

#643CBD #BDA53C #55BD3C

monochromatic

#331F60 #4B2D8F #643CBD #8767CF #AC96DE

Accessibility & contrast

On white

7.18

#643CBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#643CBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CBD

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CBD	#FFFFFF	#000000	##FFFFFF
##643CBD	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#485C78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643cbd;
/* rgb */ color: rgb(100, 60, 189);
/* oklch */ color: oklch(47.9% 0.191 291.8);

Tailwind

colors: {
  custom: {
    50: '#9875d2',
    500: '#643cbd',
    950: '#000000',
  },
}

SCSS

$custom: #643cbd;
$custom-light: #9875d2;
$custom-dark: #000000;

JSON

{
  "hex": "#643cbd",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 189
  },
  "hsl": {
    "h": 258.605,
    "s": 51.807,
    "l": 48.824
  },
  "oklch": {
    "l": 0.4788,
    "c": 0.19066,
    "h": 291.8
  },
  "luminance": 0.09615
}

Semantic roles & 50–950 ramp

primary

#643CBD

secondary

#B6C98C

accent

#DB4DAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643CBD

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

Preview Lab → · Contrast checker → · Palette generator →