#643DC8#643DC8

#643DC8 is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 48.9% C 0.202 H 289.6°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#643DC8
RGB	rgb(100, 61, 200)
HSL	hsl(257, 56%, 51%)
HSV	hsv(257, 70%, 78%)
CMYK	cmyk(50%, 69.5%, 0%, 21.6%)
CIE-LAB	lab(38.23, 49.87, -66.45)
CIE-LCH	lch(38.23, 83.08, 306.89°)
OKLab	oklab(48.93% 0.068 -0.1907)
OKLCH	oklch(48.93% 0.202 289.6)
XYZ	xyz(17.3466, 10.2162, 55.6903)
Luminance	0.1022 (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

#643DC8 #A1C83D

analogous

#3D5BC8 #643DC8 #AA3DC8

triadic

#643DC8 #C8643D #3DC864

tetradic

#643DC8 #C83D5B #A1C83D #3DC8AA

square

#643DC8 #C83D5B #A1C83D #3DC8AA

split-complementary

#643DC8 #C8AA3D #5BC83D

monochromatic

#341F6C #4B2C9C #643DC8 #8A6DD6 #B09CE3

Accessibility & contrast

On white

6.90

#643DC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#643DC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DC8

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DC8	#FFFFFF	#000000	##FFFFFF
##643DC8	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCC

Deuteranopia (green-blind)

#0057C5

Tritanopia (blue-blind)

#41617E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643dc8;
/* rgb */ color: rgb(100, 61, 200);
/* oklch */ color: oklch(48.9% 0.202 289.6);

Tailwind

colors: {
  custom: {
    50: '#9976da',
    500: '#643dc8',
    950: '#000000',
  },
}

SCSS

$custom: #643dc8;
$custom-light: #9976da;
$custom-dark: #000000;

JSON

{
  "hex": "#643dc8",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 200
  },
  "hsl": {
    "h": 256.835,
    "s": 55.823,
    "l": 51.176
  },
  "oklch": {
    "l": 0.48934,
    "c": 0.20246,
    "h": 289.6
  },
  "luminance": 0.10217
}

Semantic roles & 50–950 ramp

primary

#643DC8

secondary

#BECF92

accent

#DF49B5

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643DC8

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

Preview Lab → · Contrast checker → · Palette generator →