#643CD9#643CD9

#643CD9 is a mid, highly saturated violet. Relative luminance 0.110; OKLCH L 50.3% C 0.223 H 287.1°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#643CD9
RGB	rgb(100, 60, 217)
HSL	hsl(255, 67%, 54%)
HSV	hsv(255, 72%, 85%)
CMYK	cmyk(53.9%, 72.4%, 0%, 14.9%)
CIE-LAB	lab(39.50, 55.14, -74.20)
CIE-LCH	lch(39.50, 92.44, 306.62°)
OKLab	oklab(50.28% 0.0654 -0.2134)
OKLCH	oklch(50.28% 0.223 287.1)
XYZ	xyz(19.3920, 10.9498, 66.7239)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CD9 #B1D93C

analogous

#3C62D9 #643CD9 #B33CD9

triadic

#643CD9 #D9643C #3CD964

tetradic

#643CD9 #D93C62 #B1D93C #3CD9B3

square

#643CD9 #D93C62 #B1D93C #3CD9B3

split-complementary

#643CD9 #D9B33C #62D93C

monochromatic

#341981 #4823B5 #643CD9 #8D6FE3 #B5A2ED

Accessibility & contrast

On white

6.58

#643CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#643CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643CD9

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CD9	#FFFFFF	#000000	##FFFFFF
##643CD9	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)

#0061DE

Deuteranopia (green-blind)

#0059D6

Tritanopia (blue-blind)

#326787

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #643cd9;
/* rgb */ color: rgb(100, 60, 217);
/* oklch */ color: oklch(50.3% 0.223 287.1);

Tailwind

colors: {
  custom: {
    50: '#9c76e6',
    500: '#643cd9',
    950: '#000000',
  },
}

SCSS

$custom: #643cd9;
$custom-light: #9c76e6;
$custom-dark: #000000;

JSON

{
  "hex": "#643cd9",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 217
  },
  "hsl": {
    "h": 255.287,
    "s": 67.382,
    "l": 54.314
  },
  "oklch": {
    "l": 0.50281,
    "c": 0.22322,
    "h": 287.1
  },
  "luminance": 0.10951
}

Semantic roles & 50–950 ramp

primary

#643CD9

secondary

#C9DA97

accent

#EA3EBE

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #643CD9

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

Preview Lab → · Contrast checker → · Palette generator →