#642A9E#642A9E

#642A9E is a dark, vivid violet. Relative luminance 0.068; OKLCH L 43.0% C 0.177 H 302.2°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#642A9E
RGB	rgb(100, 42, 158)
HSL	hsl(270, 58%, 39%)
HSV	hsv(270, 73%, 62%)
CMYK	cmyk(36.7%, 73.4%, 0%, 38%)
CIE-LAB	lab(31.43, 48.17, -52.59)
CIE-LCH	lch(31.43, 71.32, 312.48°)
OKLab	oklab(43.04% 0.0944 -0.1499)
OKLCH	oklch(43.04% 0.177 302.2)
XYZ	xyz(12.2536, 6.8338, 33.0146)
Luminance	0.0683 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A9E #649E2A

analogous

#2A2A9E #642A9E #9E2A9E

triadic

#642A9E #9E642A #2A9E64

tetradic

#642A9E #9E2A2A #649E2A #2A9E9E

square

#642A9E #9E2A2A #649E2A #2A9E9E

split-complementary

#642A9E #9E9E2A #2A9E2A

monochromatic

#27103D #451D6E #642A9E #833ACB #A16BD8

Accessibility & contrast

On white

8.87

#642A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#642A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A9E

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A9E	#FFFFFF	#000000	##FFFFFF
##642A9E	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#00499C

Tritanopia (blue-blind)

#584661

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #642a9e;
/* rgb */ color: rgb(100, 42, 158);
/* oklch */ color: oklch(43.0% 0.177 302.2);

Tailwind

colors: {
  custom: {
    50: '#9569bb',
    500: '#642a9e',
    950: '#000000',
  },
}

SCSS

$custom: #642a9e;
$custom-light: #9569bb;
$custom-dark: #000000;

JSON

{
  "hex": "#642a9e",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 158
  },
  "hsl": {
    "h": 270,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43035,
    "c": 0.17713,
    "h": 302.2
  },
  "luminance": 0.06834
}

Semantic roles & 50–950 ramp

primary

#642A9E

secondary

#92BE66

accent

#E14794

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642A9E

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

Preview Lab → · Contrast checker → · Palette generator →