#643FCE#643FCE

#643FCE is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.7% C 0.207 H 288.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#643FCE
RGB	rgb(100, 63, 206)
HSL	hsl(256, 59%, 53%)
HSV	hsv(256, 69%, 81%)
CMYK	cmyk(51.5%, 69.4%, 0%, 19.2%)
CIE-LAB	lab(39.10, 50.52, -68.50)
CIE-LCH	lch(39.10, 85.11, 306.41°)
OKLab	oklab(49.71% 0.0652 -0.1967)
OKLCH	oklch(49.71% 0.207 288.3)
XYZ	xyz(18.1704, 10.7197, 59.4922)
Luminance	0.1072 (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

#643FCE #A9CE3F

analogous

#3F62CE #643FCE #AB3FCE

triadic

#643FCE #CE643F #3FCE64

tetradic

#643FCE #CE3F62 #A9CE3F #3FCEAB

square

#643FCE #CE3F62 #A9CE3F #3FCEAB

split-complementary

#643FCE #CEAB3F #62CE3F

monochromatic

#341E75 #4A2AA6 #643FCE #8B70DA #B3A1E7

Accessibility & contrast

On white

6.68

#643FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#643FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FCE

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FCE	#FFFFFF	#000000	##FFFFFF
##643FCE	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD2

Deuteranopia (green-blind)

#0058CB

Tritanopia (blue-blind)

#3C6482

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643fce;
/* rgb */ color: rgb(100, 63, 206);
/* oklch */ color: oklch(49.7% 0.207 288.3);

Tailwind

colors: {
  custom: {
    50: '#9a77de',
    500: '#643fce',
    950: '#000000',
  },
}

SCSS

$custom: #643fce;
$custom-light: #9a77de;
$custom-dark: #000000;

JSON

{
  "hex": "#643fce",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 206
  },
  "hsl": {
    "h": 255.524,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49714,
    "c": 0.20722,
    "h": 288.3
  },
  "luminance": 0.10721
}

Semantic roles & 50–950 ramp

primary

#643FCE

secondary

#C3D395

accent

#E345BA

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643FCE

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

Preview Lab → · Contrast checker → · Palette generator →