#643196#643196

#643196 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.3% C 0.159 H 303.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#643196
RGB	rgb(100, 49, 150)
HSL	hsl(270, 51%, 39%)
HSV	hsv(270, 67%, 59%)
CMYK	cmyk(33.3%, 67.3%, 0%, 41.2%)
CIE-LAB	lab(32.05, 42.72, -46.71)
CIE-LCH	lch(32.05, 63.30, 312.45°)
OKLab	oklab(43.29% 0.088 -0.1326)
OKLCH	oklch(43.29% 0.159 303.6)
XYZ	xyz(11.8576, 7.1080, 29.5955)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643196 #639631

analogous

#323196 #643196 #963196

triadic

#643196 #966431 #319664

tetradic

#643196 #963231 #639631 #319696

square

#643196 #963231 #639631 #319696

split-complementary

#643196 #969631 #319632

monochromatic

#26133A #452268 #643196 #8343C1 #A171D1

Accessibility & contrast

On white

8.67

#643196 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#643196 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643196

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643196	#FFFFFF	#000000	##FFFFFF
##643196	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A99

Deuteranopia (green-blind)

#0C4B94

Tritanopia (blue-blind)

#5A475F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643196;
/* rgb */ color: rgb(100, 49, 150);
/* oklch */ color: oklch(43.3% 0.159 303.6);

Tailwind

colors: {
  custom: {
    50: '#946db6',
    500: '#643196',
    950: '#000000',
  },
}

SCSS

$custom: #643196;
$custom-light: #946db6;
$custom-dark: #000000;

JSON

{
  "hex": "#643196",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 150
  },
  "hsl": {
    "h": 270.297,
    "s": 50.754,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4329,
    "c": 0.15917,
    "h": 303.6
  },
  "luminance": 0.07108
}

Semantic roles & 50–950 ramp

primary

#643196

secondary

#91B86A

accent

#DA4E93

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643196

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

Preview Lab → · Contrast checker → · Palette generator →