#642DA3#642DA3

#642DA3 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.8% C 0.179 H 300.3°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#642DA3
RGB	rgb(100, 45, 163)
HSL	hsl(268, 57%, 41%)
HSV	hsv(268, 72%, 64%)
CMYK	cmyk(38.7%, 72.4%, 0%, 36.1%)
CIE-LAB	lab(32.33, 48.01, -54.16)
CIE-LCH	lch(32.33, 72.37, 311.56°)
OKLab	oklab(43.8% 0.0904 -0.1545)
OKLCH	oklch(43.8% 0.179 300.3)
XYZ	xyz(12.8031, 7.2303, 35.3643)
Luminance	0.0723 (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

#642DA3 #6CA32D

analogous

#2D31A3 #642DA3 #9F2DA3

triadic

#642DA3 #A3642D #2DA364

tetradic

#642DA3 #A32D31 #6CA32D #2DA39F

square

#642DA3 #A32D31 #6CA32D #2DA39F

split-complementary

#642DA3 #A39F2D #31A32D

monochromatic

#291343 #472073 #642DA3 #8242CB #A272D8

Accessibility & contrast

On white

8.59

#642DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#642DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642DA3

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642DA3	#FFFFFF	#000000	##FFFFFF
##642DA3	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA6

Deuteranopia (green-blind)

#004BA1

Tritanopia (blue-blind)

#564A65

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642da3;
/* rgb */ color: rgb(100, 45, 163);
/* oklch */ color: oklch(43.8% 0.179 300.3);

Tailwind

colors: {
  custom: {
    50: '#966bbf',
    500: '#642da3',
    950: '#000000',
  },
}

SCSS

$custom: #642da3;
$custom-light: #966bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#642da3",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 163
  },
  "hsl": {
    "h": 267.966,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43798,
    "c": 0.179,
    "h": 300.3
  },
  "luminance": 0.0723
}

Semantic roles & 50–950 ramp

primary

#642DA3

secondary

#99C06C

accent

#E04899

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642DA3

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

Preview Lab → · Contrast checker → · Palette generator →