#664CCC#664CCC

#664CCC is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.6% C 0.189 H 287.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#664CCC
RGB	rgb(102, 76, 204)
HSL	hsl(252, 56%, 55%)
HSV	hsv(252, 63%, 80%)
CMYK	cmyk(50%, 62.7%, 0%, 20%)
CIE-LAB	lab(41.77, 43.14, -62.99)
CIE-LCH	lch(41.77, 76.34, 304.40°)
OKLab	oklab(51.63% 0.0557 -0.1805)
OKLCH	oklch(51.63% 0.189 287.2)
XYZ	xyz(18.9598, 12.3524, 58.5003)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CCC #B2CC4C

analogous

#4C72CC #664CCC #A64CCC

triadic

#664CCC #CC664C #4CCC66

tetradic

#664CCC #CC4C72 #B2CC4C #4CCCA6

square

#664CCC #CC4C72 #B2CC4C #4CCCA6

split-complementary

#664CCC #CCA64C #72CC4C

monochromatic

#35237B #4931AA #664CCC #8F7CDA #B7ABE7

Accessibility & contrast

On white

6.05

#664CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#664CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CCC

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CCC	#FFFFFF	#000000	##FFFFFF
##664CCC	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#005FC9

Tritanopia (blue-blind)

#416B85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #664ccc;
/* rgb */ color: rgb(102, 76, 204);
/* oklch */ color: oklch(51.6% 0.189 287.2);

Tailwind

colors: {
  custom: {
    50: '#9a7fdc',
    500: '#664ccc',
    950: '#000000',
  },
}

SCSS

$custom: #664ccc;
$custom-light: #9a7fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#664ccc",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 204
  },
  "hsl": {
    "h": 252.188,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51632,
    "c": 0.18888,
    "h": 287.2
  },
  "luminance": 0.12353
}

Semantic roles & 50–950 ramp

primary

#664CCC

secondary

#CAD59F

accent

#DF49C0

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664CCC

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

Preview Lab → · Contrast checker → · Palette generator →