#643EC8#643EC8

#643EC8 is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.1% C 0.201 H 289.5°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#643EC8
RGB	rgb(100, 62, 200)
HSL	hsl(257, 56%, 51%)
HSV	hsv(257, 69%, 78%)
CMYK	cmyk(50%, 69%, 0%, 21.6%)
CIE-LAB	lab(38.42, 49.35, -66.14)
CIE-LCH	lch(38.42, 82.52, 306.73°)
OKLab	oklab(49.07% 0.0671 -0.1898)
OKLCH	oklch(49.07% 0.201 289.5)
XYZ	xyz(17.4005, 10.3240, 55.7083)
Luminance	0.1032 (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

#643EC8 #A2C83E

analogous

#3E5DC8 #643EC8 #A93EC8

triadic

#643EC8 #C8643E #3EC864

tetradic

#643EC8 #C83E5D #A2C83E #3EC8A9

square

#643EC8 #C83E5D #A2C83E #3EC8A9

split-complementary

#643EC8 #C8A93E #5DC83E

monochromatic

#341F6D #4B2D9C #643EC8 #8A6ED6 #B19DE3

Accessibility & contrast

On white

6.85

#643EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#643EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EC8

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EC8	#FFFFFF	#000000	##FFFFFF
##643EC8	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	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: #643ec8;
/* rgb */ color: rgb(100, 62, 200);
/* oklch */ color: oklch(49.1% 0.201 289.5);

Tailwind

colors: {
  custom: {
    50: '#9976da',
    500: '#643ec8',
    950: '#000000',
  },
}

SCSS

$custom: #643ec8;
$custom-light: #9976da;
$custom-dark: #000000;

JSON

{
  "hex": "#643ec8",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 200
  },
  "hsl": {
    "h": 256.522,
    "s": 55.645,
    "l": 51.373
  },
  "oklch": {
    "l": 0.4907,
    "c": 0.2013,
    "h": 289.5
  },
  "luminance": 0.10325
}

Semantic roles & 50–950 ramp

primary

#643EC8

secondary

#BFCF92

accent

#DF49B6

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643EC8

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

Preview Lab → · Contrast checker → · Palette generator →