#664591#664591

#664591 is a mid, vivid violet. Relative luminance 0.091; OKLCH L 46.3% C 0.122 H 301.9°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#664591
RGB	rgb(102, 69, 145)
HSL	hsl(266, 36%, 42%)
HSV	hsv(266, 52%, 57%)
CMYK	cmyk(29.7%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(36.22, 30.63, -36.95)
CIE-LCH	lch(36.22, 47.99, 309.66°)
OKLab	oklab(46.29% 0.0647 -0.104)
OKLCH	oklch(46.29% 0.122 301.9)
XYZ	xyz(12.7173, 9.1253, 27.8740)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664591 #709145

analogous

#454A91 #664591 #8C4591

triadic

#664591 #916645 #459166

tetradic

#664591 #91454A #709145 #45918C

square

#664591 #91454A #709145 #45918C

split-complementary

#664591 #918C45 #4A9145

monochromatic

#2C1E3E #493168 #664591 #8460B3 #A489C7

Accessibility & contrast

On white

7.43

#664591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#664591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664591

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664591	#FFFFFF	#000000	##FFFFFF
##664591	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5594

Deuteranopia (green-blind)

#35558F

Tritanopia (blue-blind)

#5E5364

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #664591;
/* rgb */ color: rgb(102, 69, 145);
/* oklch */ color: oklch(46.3% 0.122 301.9);

Tailwind

colors: {
  custom: {
    50: '#9479b2',
    500: '#664591',
    950: '#000000',
  },
}

SCSS

$custom: #664591;
$custom-light: #9479b2;
$custom-dark: #000000;

JSON

{
  "hex": "#664591",
  "rgb": {
    "r": 102,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 266.053,
    "s": 35.514,
    "l": 41.961
  },
  "oklch": {
    "l": 0.46291,
    "c": 0.12247,
    "h": 301.9
  },
  "luminance": 0.09125
}

Semantic roles & 50–950 ramp

primary

#664591

secondary

#9CB280

accent

#CC5C9B

background

#F9F7FB

surface

#F2EDF6

border

#CCC8D0

text

#0D0911

muted

#7E7B80

Preview Lab

Preview with #664591

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

Preview Lab → · Contrast checker → · Palette generator →