#643EC0#643EC0

#643EC0 is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.4% C 0.192 H 290.9°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#643EC0
RGB	rgb(100, 62, 192)
HSL	hsl(258, 51%, 50%)
HSV	hsv(258, 68%, 75%)
CMYK	cmyk(47.9%, 67.7%, 0%, 24.7%)
CIE-LAB	lab(37.77, 47.10, -62.53)
CIE-LCH	lch(37.77, 78.28, 306.99°)
OKLab	oklab(48.41% 0.0684 -0.1792)
OKLCH	oklch(48.41% 0.192 290.9)
XYZ	xyz(16.4899, 9.9597, 50.9125)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.35

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EC0 #9AC03E

analogous

#3E59C0 #643EC0 #A53EC0

triadic

#643EC0 #C0643E #3EC064

tetradic

#643EC0 #C03E59 #9AC03E #3EC0A5

square

#643EC0 #C03E59 #9AC03E #3EC0A5

split-complementary

#643EC0 #C0A53E #59C03E

monochromatic

#342063 #4C2F92 #643EC0 #896CCF #AE9ADE

Accessibility & contrast

On white

7.02

#643EC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#643EC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643EC0

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EC0	#FFFFFF	#000000	##FFFFFF
##643EC0	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC4

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#465E7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643ec0;
/* rgb */ color: rgb(100, 62, 192);
/* oklch */ color: oklch(48.4% 0.192 290.9);

Tailwind

colors: {
  custom: {
    50: '#9876d4',
    500: '#643ec0',
    950: '#000000',
  },
}

SCSS

$custom: #643ec0;
$custom-light: #9876d4;
$custom-dark: #000000;

JSON

{
  "hex": "#643ec0",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 192
  },
  "hsl": {
    "h": 257.538,
    "s": 51.181,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48405,
    "c": 0.19179,
    "h": 290.9
  },
  "luminance": 0.0996
}

Semantic roles & 50–950 ramp

primary

#643EC0

secondary

#B9CA8F

accent

#DB4DB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #643EC0

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

Preview Lab → · Contrast checker → · Palette generator →