#642CAB#642CAB

#642CAB is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.3% C 0.189 H 298.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#642CAB
RGB	rgb(100, 44, 171)
HSL	hsl(266, 59%, 42%)
HSV	hsv(266, 74%, 67%)
CMYK	cmyk(41.5%, 74.3%, 0%, 32.9%)
CIE-LAB	lab(32.81, 50.51, -58.18)
CIE-LCH	lch(32.81, 77.05, 310.97°)
OKLab	oklab(44.35% 0.0897 -0.1663)
OKLCH	oklch(44.35% 0.189 298.3)
XYZ	xyz(13.5050, 7.4508, 39.2468)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642CAB #73AB2C

analogous

#2C33AB #642CAB #A42CAB

triadic

#642CAB #AB642C #2CAB64

tetradic

#642CAB #AB2C33 #73AB2C #2CABA4

square

#642CAB #AB2C33 #73AB2C #2CABA4

split-complementary

#642CAB #ABA42C #33AB2C

monochromatic

#2B134A #481F7A #642CAB #8245CF #A376DC

Accessibility & contrast

On white

8.43

#642CAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#642CAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642CAB

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642CAB	#FFFFFF	#000000	##FFFFFF
##642CAB	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#004CA8

Tritanopia (blue-blind)

#524D69

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #642cab;
/* rgb */ color: rgb(100, 44, 171);
/* oklch */ color: oklch(44.3% 0.189 298.3);

Tailwind

colors: {
  custom: {
    50: '#976bc5',
    500: '#642cab',
    950: '#000000',
  },
}

SCSS

$custom: #642cab;
$custom-light: #976bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#642cab",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 171
  },
  "hsl": {
    "h": 266.457,
    "s": 59.07,
    "l": 42.157
  },
  "oklch": {
    "l": 0.44345,
    "c": 0.18894,
    "h": 298.3
  },
  "luminance": 0.07451
}

Semantic roles & 50–950 ramp

primary

#642CAB

secondary

#9EC36F

accent

#E2469D

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642CAB

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

Preview Lab → · Contrast checker → · Palette generator →