#643DC1#643DC1

#643DC1 is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.3% C 0.194 H 290.9°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#643DC1
RGB	rgb(100, 61, 193)
HSL	hsl(258, 52%, 50%)
HSV	hsv(258, 68%, 76%)
CMYK	cmyk(48.2%, 68.4%, 0%, 24.3%)
CIE-LAB	lab(37.66, 47.91, -63.30)
CIE-LCH	lch(37.66, 79.39, 307.12°)
OKLab	oklab(48.35% 0.0692 -0.1814)
OKLCH	oklch(48.35% 0.194 290.9)
XYZ	xyz(16.5472, 9.8964, 51.4801)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.40

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DC1 #9AC13D

analogous

#3D58C1 #643DC1 #A63DC1

triadic

#643DC1 #C1643D #3DC164

tetradic

#643DC1 #C13D58 #9AC13D #3DC1A6

square

#643DC1 #C13D58 #9AC13D #3DC1A6

split-complementary

#643DC1 #C1A63D #58C13D

monochromatic

#342064 #4C2E92 #643DC1 #896BD0 #AE99DF

Accessibility & contrast

On white

7.05

#643DC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#643DC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DC1

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DC1	#FFFFFF	#000000	##FFFFFF
##643DC1	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC5

Deuteranopia (green-blind)

#0056BE

Tritanopia (blue-blind)

#465E7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643dc1;
/* rgb */ color: rgb(100, 61, 193);
/* oklch */ color: oklch(48.3% 0.194 290.9);

Tailwind

colors: {
  custom: {
    50: '#9875d5',
    500: '#643dc1',
    950: '#000000',
  },
}

SCSS

$custom: #643dc1;
$custom-light: #9875d5;
$custom-dark: #000000;

JSON

{
  "hex": "#643dc1",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 193
  },
  "hsl": {
    "h": 257.727,
    "s": 51.969,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48348,
    "c": 0.1942,
    "h": 290.9
  },
  "luminance": 0.09897
}

Semantic roles & 50–950 ramp

primary

#643DC1

secondary

#B9CB8F

accent

#DB4CB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643DC1

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

Preview Lab → · Contrast checker → · Palette generator →