#643099#643099

#643099 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.4% C 0.164 H 302.8°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#643099
RGB	rgb(100, 48, 153)
HSL	hsl(270, 52%, 39%)
HSV	hsv(270, 69%, 60%)
CMYK	cmyk(34.6%, 68.6%, 0%, 40%)
CIE-LAB	lab(32.09, 43.99, -48.48)
CIE-LCH	lch(32.09, 65.47, 312.22°)
OKLab	oklab(43.38% 0.0888 -0.1378)
OKLCH	oklch(43.38% 0.164 302.8)
XYZ	xyz(12.0609, 7.1231, 30.8703)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643099 #659930

analogous

#303199 #643099 #993099

triadic

#643099 #996430 #309964

tetradic

#643099 #993031 #659930 #309999

square

#643099 #993031 #659930 #309999

split-complementary

#643099 #999930 #319930

monochromatic

#27133C #46216A #643099 #8242C4 #A171D2

Accessibility & contrast

On white

8.66

#643099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#643099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643099

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643099	#FFFFFF	#000000	##FFFFFF
##643099	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#594860

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643099;
/* rgb */ color: rgb(100, 48, 153);
/* oklch */ color: oklch(43.4% 0.164 302.8);

Tailwind

colors: {
  custom: {
    50: '#956cb8',
    500: '#643099',
    950: '#000000',
  },
}

SCSS

$custom: #643099;
$custom-light: #956cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#643099",
  "rgb": {
    "r": 100,
    "g": 48,
    "b": 153
  },
  "hsl": {
    "h": 269.714,
    "s": 52.239,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43384,
    "c": 0.16397,
    "h": 302.8
  },
  "luminance": 0.07123
}

Semantic roles & 50–950 ramp

primary

#643099

secondary

#93BA6B

accent

#DC4C95

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #643099

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

Preview Lab → · Contrast checker → · Palette generator →