#643EA2#643EA2

#643EA2 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.1% C 0.155 H 297.5°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#643EA2
RGB	rgb(100, 62, 162)
HSL	hsl(263, 45%, 44%)
HSV	hsv(263, 62%, 64%)
CMYK	cmyk(38.3%, 61.7%, 0%, 36.5%)
CIE-LAB	lab(35.52, 38.78, -48.37)
CIE-LCH	lch(35.52, 62.00, 308.72°)
OKLab	oklab(46.07% 0.0715 -0.1376)
OKLCH	oklch(46.07% 0.155 297.5)
XYZ	xyz(13.4981, 8.7630, 35.1557)
Luminance	0.0876 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EA2 #7CA23E

analogous

#3E4AA2 #643EA2 #963EA2

triadic

#643EA2 #A2643E #3EA264

tetradic

#643EA2 #A23E4A #7CA23E #3EA296

square

#643EA2 #A23E4A #7CA23E #3EA296

split-complementary

#643EA2 #A2963E #4AA23E

monochromatic

#2D1C49 #492D76 #643EA2 #835CC1 #A489D2

Accessibility & contrast

On white

7.63

#643EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#643EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643EA2

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EA2	#FFFFFF	#000000	##FFFFFF
##643EA2	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A5

Deuteranopia (green-blind)

#1252A0

Tritanopia (blue-blind)

#55546A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #643ea2;
/* rgb */ color: rgb(100, 62, 162);
/* oklch */ color: oklch(46.1% 0.155 297.5);

Tailwind

colors: {
  custom: {
    50: '#9475be',
    500: '#643ea2',
    950: '#000000',
  },
}

SCSS

$custom: #643ea2;
$custom-light: #9475be;
$custom-dark: #000000;

JSON

{
  "hex": "#643ea2",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 162
  },
  "hsl": {
    "h": 262.8,
    "s": 44.643,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46074,
    "c": 0.15504,
    "h": 297.5
  },
  "luminance": 0.08763
}

Semantic roles & 50–950 ramp

primary

#643EA2

secondary

#A5BC80

accent

#D453A3

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #643EA2

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

Preview Lab → · Contrast checker → · Palette generator →