#643E96#643E96

#643E96 is a mid, vivid violet. Relative luminance 0.084; OKLCH L 45.2% C 0.140 H 300.9°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#643E96
RGB	rgb(100, 62, 150)
HSL	hsl(266, 42%, 42%)
HSV	hsv(266, 59%, 59%)
CMYK	cmyk(33.3%, 58.7%, 0%, 41.2%)
CIE-LAB	lab(34.71, 35.55, -42.42)
CIE-LCH	lch(34.71, 55.34, 309.97°)
OKLab	oklab(45.22% 0.0718 -0.1201)
OKLCH	oklch(45.22% 0.14 300.9)
XYZ	xyz(12.4819, 8.3565, 29.8036)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643E96 #70963E

analogous

#3E4496 #643E96 #903E96

triadic

#643E96 #96643E #3E9664

tetradic

#643E96 #963E44 #70963E #3E9690

square

#643E96 #963E44 #70963E #3E9690

split-complementary

#643E96 #96903E #44963E

monochromatic

#2A1A3F #472C6B #643E96 #8257BA #A283CC

Accessibility & contrast

On white

7.86

#643E96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#643E96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643E96

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643E96	#FFFFFF	#000000	##FFFFFF
##643E96	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#155199

Deuteranopia (green-blind)

#255194

Tritanopia (blue-blind)

#5A5064

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #643e96;
/* rgb */ color: rgb(100, 62, 150);
/* oklch */ color: oklch(45.2% 0.140 300.9);

Tailwind

colors: {
  custom: {
    50: '#9375b5',
    500: '#643e96',
    950: '#000000',
  },
}

SCSS

$custom: #643e96;
$custom-light: #9375b5;
$custom-dark: #000000;

JSON

{
  "hex": "#643e96",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 150
  },
  "hsl": {
    "h": 265.909,
    "s": 41.509,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45224,
    "c": 0.13988,
    "h": 300.9
  },
  "luminance": 0.08357
}

Semantic roles & 50–950 ramp

primary

#643E96

secondary

#9CB67A

accent

#D1569C

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0D0811

muted

#7E7B80

Preview Lab

Preview with #643E96

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

Preview Lab → · Contrast checker → · Palette generator →