#643EE1#643EE1

#643EE1 is a mid, highly saturated violet. Relative luminance 0.116; OKLCH L 51.2% C 0.230 H 285.7°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#643EE1
RGB	rgb(100, 62, 225)
HSL	hsl(254, 73%, 56%)
HSV	hsv(254, 72%, 88%)
CMYK	cmyk(55.6%, 72.4%, 0%, 11.8%)
CIE-LAB	lab(40.56, 56.39, -77.03)
CIE-LCH	lch(40.56, 95.47, 306.21°)
OKLab	oklab(51.25% 0.0621 -0.2217)
OKLCH	oklch(51.25% 0.23 285.7)
XYZ	xyz(20.5647, 11.5896, 72.3730)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EE1 #BBE13E

analogous

#3E6AE1 #643EE1 #B63EE1

triadic

#643EE1 #E1643E #3EE164

tetradic

#643EE1 #E13E6A #BBE13E #3EE1B6

square

#643EE1 #E13E6A #BBE13E #3EE1B6

split-complementary

#643EE1 #E1B63E #6AE13E

monochromatic

#32168E #451EC3 #643EE1 #8F73E9 #B9A8F1

Accessibility & contrast

On white

6.33

#643EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#643EE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EE1

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EE1	#FFFFFF	#000000	##FFFFFF
##643EE1	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E6

Deuteranopia (green-blind)

#005BDE

Tritanopia (blue-blind)

#296B8C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #643ee1;
/* rgb */ color: rgb(100, 62, 225);
/* oklch */ color: oklch(51.2% 0.230 285.7);

Tailwind

colors: {
  custom: {
    50: '#9d77ec',
    500: '#643ee1',
    950: '#000000',
  },
}

SCSS

$custom: #643ee1;
$custom-light: #9d77ec;
$custom-dark: #000000;

JSON

{
  "hex": "#643ee1",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 225
  },
  "hsl": {
    "h": 253.988,
    "s": 73.094,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51246,
    "c": 0.23026,
    "h": 285.7
  },
  "luminance": 0.11591
}

Semantic roles & 50–950 ramp

primary

#643EE1

secondary

#CFDF9C

accent

#F038C5

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643EE1

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

Preview Lab → · Contrast checker → · Palette generator →