#643DC0#643DC0

#643DC0 is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.3% C 0.193 H 291.1°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#643DC0
RGB	rgb(100, 61, 192)
HSL	hsl(258, 52%, 50%)
HSV	hsv(258, 68%, 75%)
CMYK	cmyk(47.9%, 68.2%, 0%, 24.7%)
CIE-LAB	lab(37.58, 47.63, -62.84)
CIE-LCH	lch(37.58, 78.86, 307.16°)
OKLab	oklab(48.27% 0.0694 -0.1801)
OKLCH	oklch(48.27% 0.193 291.1)
XYZ	xyz(16.4360, 9.8520, 50.8946)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.50

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DC0 #99C03D

analogous

#3D57C0 #643DC0 #A63DC0

triadic

#643DC0 #C0643D #3DC064

tetradic

#643DC0 #C03D57 #99C03D #3DC0A6

square

#643DC0 #C03D57 #99C03D #3DC0A6

split-complementary

#643DC0 #C0A63D #57C03D

monochromatic

#341F63 #4C2E92 #643DC0 #896AD0 #AE99DF

Accessibility & contrast

On white

7.07

#643DC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#643DC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DC0

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DC0	#FFFFFF	#000000	##FFFFFF
##643DC0	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC4

Deuteranopia (green-blind)

#0056BD

Tritanopia (blue-blind)

#475E7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643dc0;
/* rgb */ color: rgb(100, 61, 192);
/* oklch */ color: oklch(48.3% 0.193 291.1);

Tailwind

colors: {
  custom: {
    50: '#9875d4',
    500: '#643dc0',
    950: '#000000',
  },
}

SCSS

$custom: #643dc0;
$custom-light: #9875d4;
$custom-dark: #000000;

JSON

{
  "hex": "#643dc0",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 192
  },
  "hsl": {
    "h": 257.863,
    "s": 51.779,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48265,
    "c": 0.19301,
    "h": 291.1
  },
  "luminance": 0.09853
}

Semantic roles & 50–950 ramp

primary

#643DC0

secondary

#B9CA8E

accent

#DB4DB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643DC0

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

Preview Lab → · Contrast checker → · Palette generator →