#643CCC#643CCC

#643CCC is a mid, highly saturated violet. Relative luminance 0.103; OKLCH L 49.1% C 0.208 H 289.1°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#643CCC
RGB	rgb(100, 60, 204)
HSL	hsl(257, 59%, 52%)
HSV	hsv(257, 71%, 80%)
CMYK	cmyk(51%, 70.6%, 0%, 20%)
CIE-LAB	lab(38.38, 51.51, -68.53)
CIE-LCH	lch(38.38, 85.73, 306.93°)
OKLab	oklab(49.14% 0.0682 -0.1968)
OKLCH	oklch(49.14% 0.208 289.1)
XYZ	xyz(17.7673, 10.2999, 58.1669)
Luminance	0.1030 (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

#643CCC #A4CC3C

analogous

#3C5CCC #643CCC #AC3CCC

triadic

#643CCC #CC643C #3CCC64

tetradic

#643CCC #CC3C5C #A4CC3C #3CCCAC

square

#643CCC #CC3C5C #A4CC3C #3CCCAC

split-complementary

#643CCC #CCAC3C #5CCC3C

monochromatic

#341D70 #4B2AA1 #643CCC #8B6DD9 #B19DE5

Accessibility & contrast

On white

6.86

#643CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#643CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643CCC

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CCC	#FFFFFF	#000000	##FFFFFF
##643CCC	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#0057C9

Tritanopia (blue-blind)

#3E6280

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643ccc;
/* rgb */ color: rgb(100, 60, 204);
/* oklch */ color: oklch(49.1% 0.208 289.1);

Tailwind

colors: {
  custom: {
    50: '#9a75dd',
    500: '#643ccc',
    950: '#000000',
  },
}

SCSS

$custom: #643ccc;
$custom-light: #9a75dd;
$custom-dark: #000000;

JSON

{
  "hex": "#643ccc",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 204
  },
  "hsl": {
    "h": 256.667,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49143,
    "c": 0.20827,
    "h": 289.1
  },
  "luminance": 0.10301
}

Semantic roles & 50–950 ramp

primary

#643CCC

secondary

#C0D192

accent

#E246B6

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643CCC

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

Preview Lab → · Contrast checker → · Palette generator →