#642CA5#642CA5

#642CA5 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.8% C 0.182 H 299.9°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#642CA5
RGB	rgb(100, 44, 165)
HSL	hsl(268, 58%, 41%)
HSV	hsv(268, 73%, 65%)
CMYK	cmyk(39.4%, 73.3%, 0%, 35.3%)
CIE-LAB	lab(32.32, 48.99, -55.38)
CIE-LCH	lch(32.32, 73.93, 311.50°)
OKLab	oklab(43.84% 0.091 -0.1581)
OKLCH	oklch(43.84% 0.182 299.9)
XYZ	xyz(12.9461, 7.2272, 36.3029)
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

#642CA5 #6DA52C

analogous

#2C30A5 #642CA5 #A02CA5

triadic

#642CA5 #A5642C #2CA564

tetradic

#642CA5 #A52C30 #6DA52C #2CA5A0

square

#642CA5 #A52C30 #6DA52C #2CA5A0

split-complementary

#642CA5 #A5A02C #30A52C

monochromatic

#291244 #471F75 #642CA5 #8242CD #A272D9

Accessibility & contrast

On white

8.59

#642CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#642CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642CA5

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642CA5	#FFFFFF	#000000	##FFFFFF
##642CA5	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)

#004CA8

Deuteranopia (green-blind)

#004BA3

Tritanopia (blue-blind)

#554A66

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642ca5;
/* rgb */ color: rgb(100, 44, 165);
/* oklch */ color: oklch(43.8% 0.182 299.9);

Tailwind

colors: {
  custom: {
    50: '#966ac1',
    500: '#642ca5',
    950: '#000000',
  },
}

SCSS

$custom: #642ca5;
$custom-light: #966ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#642ca5",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 165
  },
  "hsl": {
    "h": 267.769,
    "s": 57.895,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43843,
    "c": 0.18239,
    "h": 299.9
  },
  "luminance": 0.07227
}

Semantic roles & 50–950 ramp

primary

#642CA5

secondary

#9AC16C

accent

#E1479A

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642CA5

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

Preview Lab → · Contrast checker → · Palette generator →