#642C99#642C99

#642C99 is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.9% C 0.169 H 303.4°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#642C99
RGB	rgb(100, 44, 153)
HSL	hsl(271, 55%, 39%)
HSV	hsv(271, 71%, 60%)
CMYK	cmyk(34.6%, 71.2%, 0%, 40%)
CIE-LAB	lab(31.37, 45.98, -49.64)
CIE-LCH	lch(31.37, 67.66, 312.81°)
OKLab	oklab(42.87% 0.0932 -0.1412)
OKLCH	oklch(42.87% 0.169 303.4)
XYZ	xyz(11.9046, 6.8106, 30.8182)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C99 #61992C

analogous

#2D2C99 #642C99 #992C97

triadic

#642C99 #99642C #2C9964

tetradic

#642C99 #992D2C #61992C #2C9799

square

#642C99 #992D2C #61992C #2C9799

split-complementary

#642C99 #97992C #2C992D

monochromatic

#26113A #451E69 #642C99 #833BC7 #A16BD4

Accessibility & contrast

On white

8.89

#642C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#642C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C99

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C99	#FFFFFF	#000000	##FFFFFF
##642C99	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#004A97

Tritanopia (blue-blind)

#5A465F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642c99;
/* rgb */ color: rgb(100, 44, 153);
/* oklch */ color: oklch(42.9% 0.169 303.4);

Tailwind

colors: {
  custom: {
    50: '#956ab8',
    500: '#642c99',
    950: '#000000',
  },
}

SCSS

$custom: #642c99;
$custom-light: #956ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#642c99",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 153
  },
  "hsl": {
    "h": 270.826,
    "s": 55.33,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42874,
    "c": 0.1692,
    "h": 303.4
  },
  "luminance": 0.06811
}

Semantic roles & 50–950 ramp

primary

#642C99

secondary

#8FBB66

accent

#DF4992

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642C99

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

Preview Lab → · Contrast checker → · Palette generator →