#643496#643496

#643496 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 43.7% C 0.155 H 303.0°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#643496
RGB	rgb(100, 52, 150)
HSL	hsl(269, 49%, 40%)
HSV	hsv(269, 65%, 59%)
CMYK	cmyk(33.3%, 65.3%, 0%, 41.2%)
CIE-LAB	lab(32.63, 41.14, -45.77)
CIE-LCH	lch(32.63, 61.54, 311.95°)
OKLab	oklab(43.71% 0.0844 -0.1299)
OKLCH	oklch(43.71% 0.155 303)
XYZ	xyz(11.9873, 7.3673, 29.6388)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643496 #669634

analogous

#343596 #643496 #953496

triadic

#643496 #966434 #349664

tetradic

#643496 #963435 #669634 #349695

square

#643496 #963435 #669634 #349695

split-complementary

#643496 #969534 #359634

monochromatic

#27143B #462469 #643496 #8248BF #A175CF

Accessibility & contrast

On white

8.49

#643496 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#643496 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643496

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643496	#FFFFFF	#000000	##FFFFFF
##643496	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#144D94

Tritanopia (blue-blind)

#5A4960

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #643496;
/* rgb */ color: rgb(100, 52, 150);
/* oklch */ color: oklch(43.7% 0.155 303.0);

Tailwind

colors: {
  custom: {
    50: '#946eb5',
    500: '#643496',
    950: '#000000',
  },
}

SCSS

$custom: #643496;
$custom-light: #946eb5;
$custom-dark: #000000;

JSON

{
  "hex": "#643496",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 150
  },
  "hsl": {
    "h": 269.388,
    "s": 48.515,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43706,
    "c": 0.15493,
    "h": 303
  },
  "luminance": 0.07367
}

Semantic roles & 50–950 ramp

primary

#643496

secondary

#94B86E

accent

#D85095

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643496

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

Preview Lab → · Contrast checker → · Palette generator →