#642C91#642C91

#642C91 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.3% C 0.160 H 306.0°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#642C91
RGB	rgb(100, 44, 145)
HSL	hsl(273, 53%, 37%)
HSV	hsv(273, 70%, 57%)
CMYK	cmyk(31%, 69.7%, 0%, 43.1%)
CIE-LAB	lab(30.77, 44.01, -45.71)
CIE-LCH	lch(30.77, 63.45, 313.91°)
OKLab	oklab(42.26% 0.0944 -0.1297)
OKLCH	oklch(42.26% 0.16 306)
XYZ	xyz(11.2659, 6.5551, 27.4543)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C91 #59912C

analogous

#312C91 #642C91 #912C8C

triadic

#642C91 #91642C #2C9164

tetradic

#642C91 #91312C #59912C #2C8C91

square

#642C91 #91312C #59912C #2C8C91

split-complementary

#642C91 #8C912C #2C9131

monochromatic

#231033 #441E62 #642C91 #843AC0 #A167D1

Accessibility & contrast

On white

9.09

#642C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#642C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C91

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C91	#FFFFFF	#000000	##FFFFFF
##642C91	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004794

Deuteranopia (green-blind)

#0D498F

Tritanopia (blue-blind)

#5C425B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642c91;
/* rgb */ color: rgb(100, 44, 145);
/* oklch */ color: oklch(42.3% 0.160 306.0);

Tailwind

colors: {
  custom: {
    50: '#946ab2',
    500: '#642c91',
    950: '#000000',
  },
}

SCSS

$custom: #642c91;
$custom-light: #946ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#642c91",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 145
  },
  "hsl": {
    "h": 273.267,
    "s": 53.439,
    "l": 37.059
  },
  "oklch": {
    "l": 0.42257,
    "c": 0.16036,
    "h": 306
  },
  "luminance": 0.06555
}

Semantic roles & 50–950 ramp

primary

#642C91

secondary

#88B762

accent

#DD4B8C

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642C91

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

Preview Lab → · Contrast checker → · Palette generator →