#664DCC#664DCC

#664DCC is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.8% C 0.188 H 287.0°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#664DCC
RGB	rgb(102, 77, 204)
HSL	hsl(252, 55%, 55%)
HSV	hsv(252, 62%, 80%)
CMYK	cmyk(50%, 62.3%, 0%, 20%)
CIE-LAB	lab(41.99, 42.56, -62.64)
CIE-LCH	lch(41.99, 75.73, 304.20°)
OKLab	oklab(51.79% 0.0547 -0.1794)
OKLCH	oklch(51.79% 0.188 287)
XYZ	xyz(19.0292, 12.4913, 58.5234)
Luminance	0.1249 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DCC #B3CC4D

analogous

#4D73CC #664DCC #A64DCC

triadic

#664DCC #CC664D #4DCC66

tetradic

#664DCC #CC4D73 #B3CC4D #4DCCA6

square

#664DCC #CC4D73 #B3CC4D #4DCCA6

split-complementary

#664DCC #CCA64D #73CC4D

monochromatic

#35237B #4931AB #664DCC #8F7DDA #B8ACE7

Accessibility & contrast

On white

6.00

#664DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#664DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DCC

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DCC	#FFFFFF	#000000	##FFFFFF
##664DCC	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#416B85

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #664dcc;
/* rgb */ color: rgb(102, 77, 204);
/* oklch */ color: oklch(51.8% 0.188 287.0);

Tailwind

colors: {
  custom: {
    50: '#9a80dc',
    500: '#664dcc',
    950: '#000000',
  },
}

SCSS

$custom: #664dcc;
$custom-light: #9a80dc;
$custom-dark: #000000;

JSON

{
  "hex": "#664dcc",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 204
  },
  "hsl": {
    "h": 251.811,
    "s": 55.459,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51789,
    "c": 0.18759,
    "h": 287
  },
  "luminance": 0.12492
}

Semantic roles & 50–950 ramp

primary

#664DCC

secondary

#CBD5A0

accent

#DF49C1

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664DCC

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

Preview Lab → · Contrast checker → · Palette generator →