#643BBE#643BBE

#643BBE is a mid, vivid violet. Relative luminance 0.096; OKLCH L 47.8% C 0.193 H 291.8°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#643BBE
RGB	rgb(100, 59, 190)
HSL	hsl(259, 53%, 49%)
HSV	hsv(259, 69%, 75%)
CMYK	cmyk(47.4%, 68.9%, 0%, 25.5%)
CIE-LAB	lab(37.03, 48.14, -62.56)
CIE-LCH	lch(37.03, 78.94, 307.58°)
OKLab	oklab(47.83% 0.0717 -0.1793)
OKLCH	oklch(47.83% 0.193 291.8)
XYZ	xyz(16.1112, 9.5544, 49.7005)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BBE #95BE3B

analogous

#3B54BE #643BBE #A63BBE

triadic

#643BBE #BE643B #3BBE64

tetradic

#643BBE #BE3B54 #95BE3B #3BBEA6

square

#643BBE #BE3B54 #95BE3B #3BBEA6

split-complementary

#643BBE #BEA63B #54BE3B

monochromatic

#331E61 #4B2C8F #643BBE #8767D0 #AC95DE

Accessibility & contrast

On white

7.21

#643BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#643BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BBE

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BBE	#FFFFFF	#000000	##FFFFFF
##643BBE	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C2

Deuteranopia (green-blind)

#0054BB

Tritanopia (blue-blind)

#485C78

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643bbe;
/* rgb */ color: rgb(100, 59, 190);
/* oklch */ color: oklch(47.8% 0.193 291.8);

Tailwind

colors: {
  custom: {
    50: '#9874d3',
    500: '#643bbe',
    950: '#000000',
  },
}

SCSS

$custom: #643bbe;
$custom-light: #9874d3;
$custom-dark: #000000;

JSON

{
  "hex": "#643bbe",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 190
  },
  "hsl": {
    "h": 258.779,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.47825,
    "c": 0.19305,
    "h": 291.8
  },
  "luminance": 0.09555
}

Semantic roles & 50–950 ramp

primary

#643BBE

secondary

#B6CA8B

accent

#DC4CAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643BBE

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

Preview Lab → · Contrast checker → · Palette generator →