#643DE0#643DE0

#643DE0 is a mid, highly saturated violet. Relative luminance 0.114; OKLCH L 51.0% C 0.230 H 285.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#643DE0
RGB	rgb(100, 61, 224)
HSL	hsl(254, 72%, 56%)
HSV	hsv(254, 73%, 88%)
CMYK	cmyk(55.4%, 72.8%, 0%, 12.2%)
CIE-LAB	lab(40.29, 56.61, -76.90)
CIE-LCH	lch(40.29, 95.48, 306.36°)
OKLab	oklab(51.03% 0.0631 -0.2213)
OKLCH	oklch(51.03% 0.23 285.9)
XYZ	xyz(20.3748, 11.4275, 71.6387)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DE0 #B9E03D

analogous

#3D67E0 #643DE0 #B53DE0

triadic

#643DE0 #E0643D #3DE064

tetradic

#643DE0 #E03D67 #B9E03D #3DE0B5

square

#643DE0 #E03D67 #B9E03D #3DE0B5

split-complementary

#643DE0 #E0B53D #67E03D

monochromatic

#33168C #461FC1 #643DE0 #8E72E8 #B8A7F1

Accessibility & contrast

On white

6.39

#643DE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#643DE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DE0

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DE0	#FFFFFF	#000000	##FFFFFF
##643DE0	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E5

Deuteranopia (green-blind)

#005ADD

Tritanopia (blue-blind)

#2A6A8B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #643de0;
/* rgb */ color: rgb(100, 61, 224);
/* oklch */ color: oklch(51.0% 0.230 285.9);

Tailwind

colors: {
  custom: {
    50: '#9c76eb',
    500: '#643de0',
    950: '#000000',
  },
}

SCSS

$custom: #643de0;
$custom-light: #9c76eb;
$custom-dark: #000000;

JSON

{
  "hex": "#643de0",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 224
  },
  "hsl": {
    "h": 254.356,
    "s": 72.444,
    "l": 55.882
  },
  "oklch": {
    "l": 0.51032,
    "c": 0.23014,
    "h": 285.9
  },
  "luminance": 0.11429
}

Semantic roles & 50–950 ramp

primary

#643DE0

secondary

#CEDE9B

accent

#EF39C3

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643DE0

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

Preview Lab → · Contrast checker → · Palette generator →