#643FE0#643FE0

#643FE0 is a mid, highly saturated violet. Relative luminance 0.116; OKLCH L 51.3% C 0.228 H 285.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#643FE0
RGB	rgb(100, 63, 224)
HSL	hsl(254, 72%, 56%)
HSV	hsv(254, 72%, 88%)
CMYK	cmyk(55.4%, 71.9%, 0%, 12.2%)
CIE-LAB	lab(40.65, 55.61, -76.31)
CIE-LCH	lch(40.65, 94.42, 306.08°)
OKLab	oklab(51.28% 0.0616 -0.2196)
OKLCH	oklch(51.28% 0.228 285.7)
XYZ	xyz(20.4835, 11.6450, 71.6749)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FE0 #BBE03F

analogous

#3F6BE0 #643FE0 #B53FE0

triadic

#643FE0 #E0643F #3FE064

tetradic

#643FE0 #E03F6B #BBE03F #3FE0B5

square

#643FE0 #E03F6B #BBE03F #3FE0B5

split-complementary

#643FE0 #E0B53F #6BE03F

monochromatic

#32178E #451FC2 #643FE0 #8F74E9 #B9A8F1

Accessibility & contrast

On white

6.31

#643FE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#643FE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FE0

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FE0	#FFFFFF	#000000	##FFFFFF
##643FE0	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E5

Deuteranopia (green-blind)

#005BDD

Tritanopia (blue-blind)

#2A6B8C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #643fe0;
/* rgb */ color: rgb(100, 63, 224);
/* oklch */ color: oklch(51.3% 0.228 285.7);

Tailwind

colors: {
  custom: {
    50: '#9c78eb',
    500: '#643fe0',
    950: '#000000',
  },
}

SCSS

$custom: #643fe0;
$custom-light: #9c78eb;
$custom-dark: #000000;

JSON

{
  "hex": "#643fe0",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 224
  },
  "hsl": {
    "h": 253.789,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51283,
    "c": 0.22811,
    "h": 285.7
  },
  "luminance": 0.11646
}

Semantic roles & 50–950 ramp

primary

#643FE0

secondary

#CFDF9C

accent

#EF39C5

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643FE0

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

Preview Lab → · Contrast checker → · Palette generator →