#642C8F#642C8F

#642C8F is a dark, vivid violet. Relative luminance 0.065; OKLCH L 42.1% C 0.158 H 306.7°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#642C8F
RGB	rgb(100, 44, 143)
HSL	hsl(274, 53%, 37%)
HSV	hsv(274, 69%, 56%)
CMYK	cmyk(30.1%, 69.2%, 0%, 43.9%)
CIE-LAB	lab(30.63, 43.52, -44.71)
CIE-LCH	lch(30.63, 62.40, 314.22°)
OKLab	oklab(42.11% 0.0946 -0.1267)
OKLCH	oklch(42.11% 0.158 306.7)
XYZ	xyz(11.1131, 6.4940, 26.6493)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C8F #578F2C

analogous

#322C8F #642C8F #8F2C89

triadic

#642C8F #8F642C #2C8F64

tetradic

#642C8F #8F322C #578F2C #2C898F

square

#642C8F #8F322C #578F2C #2C898F

split-complementary

#642C8F #898F2C #2C8F32

monochromatic

#230F31 #431E60 #642C8F #853ABE #A266D0

Accessibility & contrast

On white

9.14

#642C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#642C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C8F

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C8F	#FFFFFF	#000000	##FFFFFF
##642C8F	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#12488D

Tritanopia (blue-blind)

#5D425A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642c8f;
/* rgb */ color: rgb(100, 44, 143);
/* oklch */ color: oklch(42.1% 0.158 306.7);

Tailwind

colors: {
  custom: {
    50: '#9469b0',
    500: '#642c8f',
    950: '#000000',
  },
}

SCSS

$custom: #642c8f;
$custom-light: #9469b0;
$custom-dark: #000000;

JSON

{
  "hex": "#642c8f",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 143
  },
  "hsl": {
    "h": 273.939,
    "s": 52.941,
    "l": 36.667
  },
  "oklch": {
    "l": 0.42106,
    "c": 0.15815,
    "h": 306.7
  },
  "luminance": 0.06494
}

Semantic roles & 50–950 ramp

primary

#642C8F

secondary

#86B661

accent

#DC4B8A

background

#F9F6FA

surface

#F2EBF5

border

#CCC6CF

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642C8F

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

Preview Lab → · Contrast checker → · Palette generator →