#643DA7#643DA7

#643DA7 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.3% C 0.163 H 296.4°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#643DA7
RGB	rgb(100, 61, 167)
HSL	hsl(262, 46%, 45%)
HSV	hsv(262, 63%, 65%)
CMYK	cmyk(40.1%, 63.5%, 0%, 34.5%)
CIE-LAB	lab(35.67, 40.71, -51.14)
CIE-LCH	lch(35.67, 65.36, 308.52°)
OKLab	oklab(46.29% 0.0724 -0.1457)
OKLCH	oklch(46.29% 0.163 296.4)
XYZ	xyz(13.8975, 8.8366, 37.5251)
Luminance	0.0884 (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

#643DA7 #80A73D

analogous

#3D4BA7 #643DA7 #993DA7

triadic

#643DA7 #A7643D #3DA764

tetradic

#643DA7 #A73D4B #80A73D #3DA799

square

#643DA7 #A73D4B #80A73D #3DA799

split-complementary

#643DA7 #A7993D #4BA73D

monochromatic

#2E1C4D #492D7A #643DA7 #835DC4 #A58AD4

Accessibility & contrast

On white

7.59

#643DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#643DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DA7

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DA7	#FFFFFF	#000000	##FFFFFF
##643DA7	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#0052A5

Tritanopia (blue-blind)

#53556C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643da7;
/* rgb */ color: rgb(100, 61, 167);
/* oklch */ color: oklch(46.3% 0.163 296.4);

Tailwind

colors: {
  custom: {
    50: '#9575c2',
    500: '#643da7',
    950: '#000000',
  },
}

SCSS

$custom: #643da7;
$custom-light: #9575c2;
$custom-dark: #000000;

JSON

{
  "hex": "#643da7",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 167
  },
  "hsl": {
    "h": 262.075,
    "s": 46.491,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46292,
    "c": 0.16269,
    "h": 296.4
  },
  "luminance": 0.08837
}

Semantic roles & 50–950 ramp

primary

#643DA7

secondary

#A8BF81

accent

#D652A5

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #643DA7

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

Preview Lab → · Contrast checker → · Palette generator →