#643FAE#643FAE

#643FAE is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.1% C 0.169 H 294.4°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#643FAE
RGB	rgb(100, 63, 174)
HSL	hsl(260, 47%, 46%)
HSV	hsv(260, 64%, 68%)
CMYK	cmyk(42.5%, 63.8%, 0%, 31.8%)
CIE-LAB	lab(36.59, 41.52, -53.82)
CIE-LCH	lch(36.59, 67.97, 307.65°)
OKLab	oklab(47.12% 0.0695 -0.1536)
OKLCH	oklch(47.12% 0.169 294.4)
XYZ	xyz(14.6710, 9.3200, 41.0621)
Luminance	0.0932 (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

#643FAE #89AE3F

analogous

#3F52AE #643FAE #9C3FAE

triadic

#643FAE #AE643F #3FAE64

tetradic

#643FAE #AE3F52 #89AE3F #3FAE9C

square

#643FAE #AE3F52 #89AE3F #3FAE9C

split-complementary

#643FAE #AE9C3F #52AE3F

monochromatic

#301E54 #4A2F81 #643FAE #8564C7 #A890D7

Accessibility & contrast

On white

7.33

#643FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#643FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643FAE

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FAE	#FFFFFF	#000000	##FFFFFF
##643FAE	1.00	7.33	2.86	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B1

Deuteranopia (green-blind)

#0054AC

Tritanopia (blue-blind)

#505971

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #643fae;
/* rgb */ color: rgb(100, 63, 174);
/* oklch */ color: oklch(47.1% 0.169 294.4);

Tailwind

colors: {
  custom: {
    50: '#9676c7',
    500: '#643fae',
    950: '#000000',
  },
}

SCSS

$custom: #643fae;
$custom-light: #9676c7;
$custom-dark: #000000;

JSON

{
  "hex": "#643fae",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 174
  },
  "hsl": {
    "h": 260,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47124,
    "c": 0.16859,
    "h": 294.4
  },
  "luminance": 0.0932
}

Semantic roles & 50–950 ramp

primary

#643FAE

secondary

#AEC287

accent

#D651AA

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0913

muted

#7E7B82

Preview Lab

Preview with #643FAE

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

Preview Lab → · Contrast checker → · Palette generator →