#643FD0#643FD0

#643FD0 is a mid, highly saturated violet. Relative luminance 0.108; OKLCH L 49.9% C 0.210 H 288.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#643FD0
RGB	rgb(100, 63, 208)
HSL	hsl(255, 61%, 53%)
HSV	hsv(255, 70%, 82%)
CMYK	cmyk(51.9%, 69.7%, 0%, 18.4%)
CIE-LAB	lab(39.27, 51.08, -69.38)
CIE-LCH	lch(39.27, 86.16, 306.36°)
OKLab	oklab(49.88% 0.0648 -0.1993)
OKLCH	oklch(49.88% 0.21 288)
XYZ	xyz(18.4149, 10.8175, 60.7800)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FD0 #ABD03F

analogous

#3F63D0 #643FD0 #AC3FD0

triadic

#643FD0 #D0643F #3FD064

tetradic

#643FD0 #D03F63 #ABD03F #3FD0AC

square

#643FD0 #D03F63 #ABD03F #3FD0AC

split-complementary

#643FD0 #D0AC3F #63D03F

monochromatic

#341D77 #4A29A9 #643FD0 #8C70DC #B3A1E8

Accessibility & contrast

On white

6.64

#643FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#643FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FD0

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FD0	#FFFFFF	#000000	##FFFFFF
##643FD0	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D4

Deuteranopia (green-blind)

#0059CD

Tritanopia (blue-blind)

#3B6583

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643fd0;
/* rgb */ color: rgb(100, 63, 208);
/* oklch */ color: oklch(49.9% 0.210 288.0);

Tailwind

colors: {
  custom: {
    50: '#9a77df',
    500: '#643fd0',
    950: '#000000',
  },
}

SCSS

$custom: #643fd0;
$custom-light: #9a77df;
$custom-dark: #000000;

JSON

{
  "hex": "#643fd0",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 208
  },
  "hsl": {
    "h": 255.31,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49884,
    "c": 0.20957,
    "h": 288
  },
  "luminance": 0.10818
}

Semantic roles & 50–950 ramp

primary

#643FD0

secondary

#C5D596

accent

#E444BB

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643FD0

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

Preview Lab → · Contrast checker → · Palette generator →