#643FD3#643FD3

#643FD3 is a mid, highly saturated violet. Relative luminance 0.110; OKLCH L 50.1% C 0.213 H 287.5°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#643FD3
RGB	rgb(100, 63, 211)
HSL	hsl(255, 63%, 54%)
HSV	hsv(255, 70%, 83%)
CMYK	cmyk(52.6%, 70.1%, 0%, 17.3%)
CIE-LAB	lab(39.52, 51.93, -70.70)
CIE-LCH	lch(39.52, 87.72, 306.30°)
OKLab	oklab(50.14% 0.0642 -0.2032)
OKLCH	oklch(50.14% 0.213 287.5)
XYZ	xyz(18.7874, 10.9666, 62.7422)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.21

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FD3 #AED33F

analogous

#3F64D3 #643FD3 #AE3FD3

triadic

#643FD3 #D3643F #3FD364

tetradic

#643FD3 #D33F64 #AED33F #3FD3AE

square

#643FD3 #D33F64 #AED33F #3FD3AE

split-complementary

#643FD3 #D3AE3F #64D33F

monochromatic

#341C7B #4928AD #643FD3 #8C71DE #B4A3EA

Accessibility & contrast

On white

6.58

#643FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#643FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FD3

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FD3	#FFFFFF	#000000	##FFFFFF
##643FD3	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D7

Deuteranopia (green-blind)

#0059D0

Tritanopia (blue-blind)

#386685

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #643fd3;
/* rgb */ color: rgb(100, 63, 211);
/* oklch */ color: oklch(50.1% 0.213 287.5);

Tailwind

colors: {
  custom: {
    50: '#9a77e2',
    500: '#643fd3',
    950: '#000000',
  },
}

SCSS

$custom: #643fd3;
$custom-light: #9a77e2;
$custom-dark: #000000;

JSON

{
  "hex": "#643fd3",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 211
  },
  "hsl": {
    "h": 255,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.50142,
    "c": 0.21308,
    "h": 287.5
  },
  "luminance": 0.10967
}

Semantic roles & 50–950 ramp

primary

#643FD3

secondary

#C7D797

accent

#E642BD

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0915

muted

#7F7B84

Preview Lab

Preview with #643FD3

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

Preview Lab → · Contrast checker → · Palette generator →