#643AA2#643AA2

#643AA2 is a mid, vivid violet. Relative luminance 0.083; OKLCH L 45.5% C 0.161 H 298.3°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#643AA2
RGB	rgb(100, 58, 162)
HSL	hsl(264, 47%, 43%)
HSV	hsv(264, 64%, 64%)
CMYK	cmyk(38.3%, 64.2%, 0%, 36.5%)
CIE-LAB	lab(34.69, 41.02, -49.72)
CIE-LCH	lch(34.69, 64.46, 309.52°)
OKLab	oklab(45.47% 0.0763 -0.1415)
OKLCH	oklch(45.47% 0.161 298.3)
XYZ	xyz(13.2885, 8.3439, 35.0858)
Luminance	0.0834 (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

#643AA2 #78A23A

analogous

#3A44A2 #643AA2 #983AA2

triadic

#643AA2 #A2643A #3AA264

tetradic

#643AA2 #A23A44 #78A23A #3AA298

square

#643AA2 #A23A44 #78A23A #3AA298

split-complementary

#643AA2 #A2983A #44A23A

monochromatic

#2C1A48 #482A75 #643AA2 #8257C3 #A484D3

Accessibility & contrast

On white

7.87

#643AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#643AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AA2

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AA2	#FFFFFF	#000000	##FFFFFF
##643AA2	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A5

Deuteranopia (green-blind)

#0351A0

Tritanopia (blue-blind)

#565168

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #643aa2;
/* rgb */ color: rgb(100, 58, 162);
/* oklch */ color: oklch(45.5% 0.161 298.3);

Tailwind

colors: {
  custom: {
    50: '#9573be',
    500: '#643aa2',
    950: '#000000',
  },
}

SCSS

$custom: #643aa2;
$custom-light: #9573be;
$custom-dark: #000000;

JSON

{
  "hex": "#643aa2",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 162
  },
  "hsl": {
    "h": 264.231,
    "s": 47.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.45468,
    "c": 0.16078,
    "h": 298.3
  },
  "luminance": 0.08344
}

Semantic roles & 50–950 ramp

primary

#643AA2

secondary

#A2BD7B

accent

#D751A1

background

#F9F7FB

surface

#F2EDF7

border

#CCC8D0

text

#0E0812

muted

#7E7B81

Preview Lab

Preview with #643AA2

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

Preview Lab → · Contrast checker → · Palette generator →