#642DA1#642DA1

#642DA1 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.6% C 0.177 H 300.9°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#642DA1
RGB	rgb(100, 45, 161)
HSL	hsl(268, 56%, 40%)
HSV	hsv(268, 72%, 63%)
CMYK	cmyk(37.9%, 72%, 0%, 36.9%)
CIE-LAB	lab(32.17, 47.50, -53.21)
CIE-LCH	lch(32.17, 71.33, 311.76°)
OKLab	oklab(43.64% 0.0908 -0.1517)
OKLCH	oklch(43.64% 0.177 300.9)
XYZ	xyz(12.6254, 7.1592, 34.4280)
Luminance	0.0716 (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

#642DA1 #6AA12D

analogous

#2D30A1 #642DA1 #9E2DA1

triadic

#642DA1 #A1642D #2DA164

tetradic

#642DA1 #A12D30 #6AA12D #2DA19E

square

#642DA1 #A12D30 #6AA12D #2DA19E

split-complementary

#642DA1 #A19E2D #30A12D

monochromatic

#291241 #462071 #642DA1 #8241CA #A271D7

Accessibility & contrast

On white

8.64

#642DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#642DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642DA1

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642DA1	#FFFFFF	#000000	##FFFFFF
##642DA1	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA4

Deuteranopia (green-blind)

#004B9F

Tritanopia (blue-blind)

#574964

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642da1;
/* rgb */ color: rgb(100, 45, 161);
/* oklch */ color: oklch(43.6% 0.177 300.9);

Tailwind

colors: {
  custom: {
    50: '#966bbe',
    500: '#642da1',
    950: '#000000',
  },
}

SCSS

$custom: #642da1;
$custom-light: #966bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#642da1",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 161
  },
  "hsl": {
    "h": 268.448,
    "s": 56.311,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43635,
    "c": 0.17679,
    "h": 300.9
  },
  "luminance": 0.07159
}

Semantic roles & 50–950 ramp

primary

#642DA1

secondary

#97BF6B

accent

#E04898

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642DA1

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

Preview Lab → · Contrast checker → · Palette generator →