#643ABC#643ABC

#643ABC is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.5% C 0.192 H 292.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#643ABC
RGB	rgb(100, 58, 188)
HSL	hsl(259, 53%, 48%)
HSV	hsv(259, 69%, 74%)
CMYK	cmyk(46.8%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(36.68, 48.11, -61.96)
CIE-LCH	lch(36.68, 78.44, 307.83°)
OKLab	oklab(47.52% 0.073 -0.1775)
OKLCH	oklch(47.52% 0.192 292.3)
XYZ	xyz(15.8432, 9.3657, 48.5402)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643ABC #92BC3A

analogous

#3A51BC #643ABC #A53ABC

triadic

#643ABC #BC643A #3ABC64

tetradic

#643ABC #BC3A51 #92BC3A #3ABCA5

square

#643ABC #BC3A51 #92BC3A #3ABCA5

split-complementary

#643ABC #BCA53A #51BC3A

monochromatic

#321D5E #4B2C8D #643ABC #8764CF #AB93DE

Accessibility & contrast

On white

7.31

#643ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#643ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643ABC

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ABC	#FFFFFF	#000000	##FFFFFF
##643ABC	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#495B76

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #643abc;
/* rgb */ color: rgb(100, 58, 188);
/* oklch */ color: oklch(47.5% 0.192 292.3);

Tailwind

colors: {
  custom: {
    50: '#9873d1',
    500: '#643abc',
    950: '#000000',
  },
}

SCSS

$custom: #643abc;
$custom-light: #9873d1;
$custom-dark: #000000;

JSON

{
  "hex": "#643abc",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 259.385,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47524,
    "c": 0.1919,
    "h": 292.3
  },
  "luminance": 0.09366
}

Semantic roles & 50–950 ramp

primary

#643ABC

secondary

#B4C989

accent

#DC4CAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643ABC

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

Preview Lab → · Contrast checker → · Palette generator →