#642CA6#642CA6

#642CA6 is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.9% C 0.183 H 299.6°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#642CA6
RGB	rgb(100, 44, 166)
HSL	hsl(268, 58%, 41%)
HSV	hsv(268, 73%, 65%)
CMYK	cmyk(39.8%, 73.5%, 0%, 34.9%)
CIE-LAB	lab(32.40, 49.24, -55.85)
CIE-LCH	lch(32.40, 74.45, 311.40°)
OKLab	oklab(43.93% 0.0908 -0.1595)
OKLCH	oklch(43.93% 0.183 299.6)
XYZ	xyz(13.0374, 7.2637, 36.7842)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642CA6 #6EA62C

analogous

#2C31A6 #642CA6 #A12CA6

triadic

#642CA6 #A6642C #2CA664

tetradic

#642CA6 #A62C31 #6EA62C #2CA6A1

square

#642CA6 #A62C31 #6EA62C #2CA6A1

split-complementary

#642CA6 #A6A12C #31A62C

monochromatic

#2A1245 #471F76 #642CA6 #8242CD #A273DA

Accessibility & contrast

On white

8.56

#642CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#642CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642CA6

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642CA6	#FFFFFF	#000000	##FFFFFF
##642CA6	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAA

Deuteranopia (green-blind)

#004BA4

Tritanopia (blue-blind)

#554B66

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642ca6;
/* rgb */ color: rgb(100, 44, 166);
/* oklch */ color: oklch(43.9% 0.183 299.6);

Tailwind

colors: {
  custom: {
    50: '#966ac1',
    500: '#642ca6',
    950: '#000000',
  },
}

SCSS

$custom: #642ca6;
$custom-light: #966ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#642ca6",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 166
  },
  "hsl": {
    "h": 267.541,
    "s": 58.095,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43926,
    "c": 0.18349,
    "h": 299.6
  },
  "luminance": 0.07264
}

Semantic roles & 50–950 ramp

primary

#642CA6

secondary

#9AC16D

accent

#E1469A

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642CA6

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

Preview Lab → · Contrast checker → · Palette generator →