#643BA2#643BA2

#643BA2 is a mid, vivid violet. Relative luminance 0.084; OKLCH L 45.6% C 0.159 H 298.1°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#643BA2
RGB	rgb(100, 59, 162)
HSL	hsl(264, 47%, 43%)
HSV	hsv(264, 64%, 64%)
CMYK	cmyk(38.3%, 63.6%, 0%, 36.5%)
CIE-LAB	lab(34.89, 40.47, -49.39)
CIE-LCH	lch(34.89, 63.85, 309.33°)
OKLab	oklab(45.62% 0.0751 -0.1405)
OKLCH	oklch(45.62% 0.159 298.1)
XYZ	xyz(13.3394, 8.4457, 35.1028)
Luminance	0.0845 (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

#643BA2 #79A23B

analogous

#3B46A2 #643BA2 #973BA2

triadic

#643BA2 #A2643B #3BA264

tetradic

#643BA2 #A23B46 #79A23B #3BA297

square

#643BA2 #A23B46 #79A23B #3BA297

split-complementary

#643BA2 #A2973B #46A23B

monochromatic

#2D1A48 #482B75 #643BA2 #8258C2 #A485D3

Accessibility & contrast

On white

7.81

#643BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#643BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BA2

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BA2	#FFFFFF	#000000	##FFFFFF
##643BA2	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A5

Deuteranopia (green-blind)

#0751A0

Tritanopia (blue-blind)

#565269

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #643ba2;
/* rgb */ color: rgb(100, 59, 162);
/* oklch */ color: oklch(45.6% 0.159 298.1);

Tailwind

colors: {
  custom: {
    50: '#9573be',
    500: '#643ba2',
    950: '#000000',
  },
}

SCSS

$custom: #643ba2;
$custom-light: #9573be;
$custom-dark: #000000;

JSON

{
  "hex": "#643ba2",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 162
  },
  "hsl": {
    "h": 263.883,
    "s": 46.606,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45617,
    "c": 0.15936,
    "h": 298.1
  },
  "luminance": 0.08446
}

Semantic roles & 50–950 ramp

primary

#643BA2

secondary

#A3BD7C

accent

#D652A1

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #643BA2

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

Preview Lab → · Contrast checker → · Palette generator →