#642F99#642F99

#642F99 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.3% C 0.165 H 303.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#642F99
RGB	rgb(100, 47, 153)
HSL	hsl(270, 53%, 39%)
HSV	hsv(270, 69%, 60%)
CMYK	cmyk(34.6%, 69.3%, 0%, 40%)
CIE-LAB	lab(31.90, 44.50, -48.78)
CIE-LCH	lch(31.90, 66.02, 312.37°)
OKLab	oklab(43.25% 0.0899 -0.1387)
OKLCH	oklch(43.25% 0.165 303)
XYZ	xyz(12.0205, 7.0423, 30.8568)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F99 #64992F

analogous

#2F2F99 #642F99 #992F99

triadic

#642F99 #99642F #2F9964

tetradic

#642F99 #992F2F #64992F #2F9999

square

#642F99 #992F2F #64992F #2F9999

split-complementary

#642F99 #99992F #2F992F

monochromatic

#27123B #45216A #642F99 #8341C5 #A16FD3

Accessibility & contrast

On white

8.72

#642F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#642F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F99

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F99	#FFFFFF	#000000	##FFFFFF
##642F99	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004B97

Tritanopia (blue-blind)

#594760

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642f99;
/* rgb */ color: rgb(100, 47, 153);
/* oklch */ color: oklch(43.3% 0.165 303.0);

Tailwind

colors: {
  custom: {
    50: '#956cb8',
    500: '#642f99',
    950: '#000000',
  },
}

SCSS

$custom: #642f99;
$custom-light: #956cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#642f99",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 270,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43253,
    "c": 0.16531,
    "h": 303
  },
  "luminance": 0.07042
}

Semantic roles & 50–950 ramp

primary

#642F99

secondary

#92BA69

accent

#DC4B94

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642F99

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

Preview Lab → · Contrast checker → · Palette generator →