#642A99#642A99

#642A99 is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.6% C 0.172 H 303.7°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#642A99
RGB	rgb(100, 42, 153)
HSL	hsl(271, 57%, 38%)
HSV	hsv(271, 73%, 60%)
CMYK	cmyk(34.6%, 72.5%, 0%, 40%)
CIE-LAB	lab(31.03, 46.93, -50.19)
CIE-LCH	lch(31.03, 68.71, 313.08°)
OKLab	oklab(42.63% 0.0953 -0.1428)
OKLCH	oklch(42.63% 0.172 303.7)
XYZ	xyz(11.8319, 6.6652, 30.7940)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A99 #5F992A

analogous

#2C2A99 #642A99 #992A96

triadic

#642A99 #99642A #2A9964

tetradic

#642A99 #992C2A #5F992A #2A9699

square

#642A99 #992C2A #5F992A #2A9699

split-complementary

#642A99 #96992A #2A992C

monochromatic

#251039 #451D69 #642A99 #8338C8 #A168D6

Accessibility & contrast

On white

9.00

#642A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#642A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A99

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A99	#FFFFFF	#000000	##FFFFFF
##642A99	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#5A445F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642a99;
/* rgb */ color: rgb(100, 42, 153);
/* oklch */ color: oklch(42.6% 0.172 303.7);

Tailwind

colors: {
  custom: {
    50: '#9569b8',
    500: '#642a99',
    950: '#000000',
  },
}

SCSS

$custom: #642a99;
$custom-light: #9569b8;
$custom-dark: #000000;

JSON

{
  "hex": "#642a99",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 153
  },
  "hsl": {
    "h": 271.351,
    "s": 56.923,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42633,
    "c": 0.1717,
    "h": 303.7
  },
  "luminance": 0.06665
}

Semantic roles & 50–950 ramp

primary

#642A99

secondary

#8DBC63

accent

#E04890

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642A99

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

Preview Lab → · Contrast checker → · Palette generator →