#642C9D#642C9D

#642C9D is a dark, vivid violet. Relative luminance 0.069; OKLCH L 43.2% C 0.174 H 302.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#642C9D
RGB	rgb(100, 44, 157)
HSL	hsl(270, 56%, 39%)
HSV	hsv(270, 72%, 62%)
CMYK	cmyk(36.3%, 72%, 0%, 38.4%)
CIE-LAB	lab(31.68, 46.97, -51.57)
CIE-LCH	lch(31.68, 69.76, 312.33°)
OKLab	oklab(43.19% 0.0925 -0.1469)
OKLCH	oklch(43.19% 0.174 302.2)
XYZ	xyz(12.2406, 6.9450, 32.5874)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642C9D #659D2C

analogous

#2C2C9D #642C9D #9D2C9D

triadic

#642C9D #9D642C #2C9D64

tetradic

#642C9D #9D2C2C #659D2C #2C9D9D

square

#642C9D #9D2C2C #659D2C #2C9D9D

split-complementary

#642C9D #9D9D2C #2C9D2C

monochromatic

#27113D #461F6D #642C9D #823DC9 #A16DD6

Accessibility & contrast

On white

8.79

#642C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#642C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642C9D

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642C9D	#FFFFFF	#000000	##FFFFFF
##642C9D	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#004A9B

Tritanopia (blue-blind)

#584761

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642c9d;
/* rgb */ color: rgb(100, 44, 157);
/* oklch */ color: oklch(43.2% 0.174 302.2);

Tailwind

colors: {
  custom: {
    50: '#956abb',
    500: '#642c9d',
    950: '#000000',
  },
}

SCSS

$custom: #642c9d;
$custom-light: #956abb;
$custom-dark: #000000;

JSON

{
  "hex": "#642c9d",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 157
  },
  "hsl": {
    "h": 269.735,
    "s": 56.219,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43192,
    "c": 0.17361,
    "h": 302.2
  },
  "luminance": 0.06945
}

Semantic roles & 50–950 ramp

primary

#642C9D

secondary

#93BD68

accent

#E04895

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642C9D

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

Preview Lab → · Contrast checker → · Palette generator →