#642CA3#642CA3

#642CA3 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.7% C 0.180 H 300.5°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#642CA3
RGB	rgb(100, 44, 163)
HSL	hsl(268, 57%, 41%)
HSV	hsv(268, 73%, 64%)
CMYK	cmyk(38.7%, 73%, 0%, 36.1%)
CIE-LAB	lab(32.16, 48.48, -54.43)
CIE-LCH	lch(32.16, 72.89, 311.69°)
OKLab	oklab(43.68% 0.0914 -0.1553)
OKLCH	oklch(43.68% 0.18 300.5)
XYZ	xyz(12.7654, 7.1549, 35.3517)
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

#642CA3 #6BA32C

analogous

#2C30A3 #642CA3 #9F2CA3

triadic

#642CA3 #A3642C #2CA364

tetradic

#642CA3 #A32C30 #6BA32C #2CA39F

square

#642CA3 #A32C30 #6BA32C #2CA39F

split-complementary

#642CA3 #A39F2C #30A32C

monochromatic

#291243 #461F73 #642CA3 #8241CC #A271D9

Accessibility & contrast

On white

8.64

#642CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#642CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642CA3

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642CA3	#FFFFFF	#000000	##FFFFFF
##642CA3	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)

#004BA6

Deuteranopia (green-blind)

#004BA1

Tritanopia (blue-blind)

#564965

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642ca3;
/* rgb */ color: rgb(100, 44, 163);
/* oklch */ color: oklch(43.7% 0.180 300.5);

Tailwind

colors: {
  custom: {
    50: '#966abf',
    500: '#642ca3',
    950: '#000000',
  },
}

SCSS

$custom: #642ca3;
$custom-light: #966abf;
$custom-dark: #000000;

JSON

{
  "hex": "#642ca3",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 163
  },
  "hsl": {
    "h": 268.235,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43678,
    "c": 0.1802,
    "h": 300.5
  },
  "luminance": 0.07155
}

Semantic roles & 50–950 ramp

primary

#642CA3

secondary

#98C06B

accent

#E14798

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642CA3

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

Preview Lab → · Contrast checker → · Palette generator →