#643CC9#643CC9

#643CC9 is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 48.9% C 0.205 H 289.6°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#643CC9
RGB	rgb(100, 60, 201)
HSL	hsl(257, 57%, 51%)
HSV	hsv(257, 70%, 79%)
CMYK	cmyk(50.2%, 70.1%, 0%, 21.2%)
CIE-LAB	lab(38.12, 50.68, -67.20)
CIE-LCH	lch(38.12, 84.17, 307.02°)
OKLab	oklab(48.89% 0.0688 -0.1929)
OKLCH	oklch(48.89% 0.205 289.6)
XYZ	xyz(17.4110, 10.1573, 56.2902)
Luminance	0.1016 (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

#643CC9 #A1C93C

analogous

#3C5AC9 #643CC9 #AA3CC9

triadic

#643CC9 #C9643C #3CC964

tetradic

#643CC9 #C93C5A #A1C93C #3CC9AA

square

#643CC9 #C93C5A #A1C93C #3CC9AA

split-complementary

#643CC9 #C9AA3C #5AC93C

monochromatic

#341E6D #4B2B9C #643CC9 #8A6CD6 #B09CE4

Accessibility & contrast

On white

6.93

#643CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#643CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643CC9

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CC9	#FFFFFF	#000000	##FFFFFF
##643CC9	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)

#005CCD

Deuteranopia (green-blind)

#0056C6

Tritanopia (blue-blind)

#41617E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643cc9;
/* rgb */ color: rgb(100, 60, 201);
/* oklch */ color: oklch(48.9% 0.205 289.6);

Tailwind

colors: {
  custom: {
    50: '#9975da',
    500: '#643cc9',
    950: '#000000',
  },
}

SCSS

$custom: #643cc9;
$custom-light: #9975da;
$custom-dark: #000000;

JSON

{
  "hex": "#643cc9",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 201
  },
  "hsl": {
    "h": 257.021,
    "s": 56.627,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48885,
    "c": 0.20479,
    "h": 289.6
  },
  "luminance": 0.10158
}

Semantic roles & 50–950 ramp

primary

#643CC9

secondary

#BED091

accent

#E048B5

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643CC9

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

Preview Lab → · Contrast checker → · Palette generator →