#642DA8#642DA8

#642DA8 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.2% C 0.185 H 299.0°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#642DA8
RGB	rgb(100, 45, 168)
HSL	hsl(267, 58%, 42%)
HSV	hsv(267, 73%, 66%)
CMYK	cmyk(40.5%, 73.2%, 0%, 34.1%)
CIE-LAB	lab(32.73, 49.28, -56.51)
CIE-LCH	lch(32.73, 74.98, 311.09°)
OKLab	oklab(44.21% 0.0894 -0.1614)
OKLCH	oklch(44.21% 0.185 299)
XYZ	xyz(13.2600, 7.4131, 37.7705)
Luminance	0.0741 (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

#642DA8 #71A82D

analogous

#2D34A8 #642DA8 #A22DA8

triadic

#642DA8 #A8642D #2DA864

tetradic

#642DA8 #A82D34 #71A82D #2DA8A2

square

#642DA8 #A82D34 #71A82D #2DA8A2

split-complementary

#642DA8 #A8A22D #34A82D

monochromatic

#2B1347 #472078 #642DA8 #8245CD #A275DA

Accessibility & contrast

On white

8.46

#642DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#642DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642DA8

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642DA8	#FFFFFF	#000000	##FFFFFF
##642DA8	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAC

Deuteranopia (green-blind)

#004CA6

Tritanopia (blue-blind)

#544C68

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #642da8;
/* rgb */ color: rgb(100, 45, 168);
/* oklch */ color: oklch(44.2% 0.185 299.0);

Tailwind

colors: {
  custom: {
    50: '#966bc3',
    500: '#642da8',
    950: '#000000',
  },
}

SCSS

$custom: #642da8;
$custom-light: #966bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#642da8",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 168
  },
  "hsl": {
    "h": 266.829,
    "s": 57.746,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4421,
    "c": 0.18452,
    "h": 299
  },
  "luminance": 0.07413
}

Semantic roles & 50–950 ramp

primary

#642DA8

secondary

#9DC26F

accent

#E1479C

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642DA8

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

Preview Lab → · Contrast checker → · Palette generator →