#643FC2#643FC2

#643FC2 is a mid, vivid violet. Relative luminance 0.102; OKLCH L 48.7% C 0.193 H 290.4°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#643FC2
RGB	rgb(100, 63, 194)
HSL	hsl(257, 52%, 50%)
HSV	hsv(257, 68%, 76%)
CMYK	cmyk(48.5%, 67.5%, 0%, 23.9%)
CIE-LAB	lab(38.13, 47.12, -63.12)
CIE-LCH	lch(38.13, 78.77, 306.75°)
OKLab	oklab(48.71% 0.0671 -0.1809)
OKLCH	oklch(48.71% 0.193 290.4)
XYZ	xyz(16.7679, 10.1587, 52.1058)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 0.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FC2 #9DC23F

analogous

#3F5BC2 #643FC2 #A63FC2

triadic

#643FC2 #C2643F #3FC264

tetradic

#643FC2 #C23F5B #9DC23F #3FC2A6

square

#643FC2 #C23F5B #9DC23F #3FC2A6

split-complementary

#643FC2 #C2A63F #5BC23F

monochromatic

#342066 #4C2F95 #643FC2 #896DD1 #AF9CE0

Accessibility & contrast

On white

6.93

#643FC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#643FC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FC2

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FC2	#FFFFFF	#000000	##FFFFFF
##643FC2	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC6

Deuteranopia (green-blind)

#0057BF

Tritanopia (blue-blind)

#45607B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643fc2;
/* rgb */ color: rgb(100, 63, 194);
/* oklch */ color: oklch(48.7% 0.193 290.4);

Tailwind

colors: {
  custom: {
    50: '#9877d5',
    500: '#643fc2',
    950: '#000000',
  },
}

SCSS

$custom: #643fc2;
$custom-light: #9877d5;
$custom-dark: #000000;

JSON

{
  "hex": "#643fc2",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 194
  },
  "hsl": {
    "h": 256.947,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.4871,
    "c": 0.19297,
    "h": 290.4
  },
  "luminance": 0.10159
}

Semantic roles & 50–950 ramp

primary

#643FC2

secondary

#BBCC91

accent

#DB4DB3

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #643FC2

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

Preview Lab → · Contrast checker → · Palette generator →