#664CDF#664CDF

#664CDF is a mid, highly saturated violet. Relative luminance 0.133; OKLCH L 53.2% C 0.212 H 284.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#664CDF
RGB	rgb(102, 76, 223)
HSL	hsl(251, 70%, 59%)
HSV	hsv(251, 66%, 87%)
CMYK	cmyk(54.3%, 65.9%, 0%, 12.5%)
CIE-LAB	lab(43.24, 48.73, -71.49)
CIE-LCH	lch(43.24, 86.52, 304.28°)
OKLab	oklab(53.16% 0.0537 -0.2054)
OKLCH	oklch(53.16% 0.212 284.7)
XYZ	xyz(21.3792, 13.3202, 71.2422)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CDF #C5DF4C

analogous

#4C7BDF #664CDF #AF4CDF

triadic

#664CDF #DF664C #4CDF66

tetradic

#664CDF #DF4C7B #C5DF4C #4CDFAF

square

#664CDF #DF4C7B #C5DF4C #4CDFAF

split-complementary

#664CDF #DFAF4C #7BDF4C

monochromatic

#311B96 #4124CA #664CDF #9280E8 #BFB4F2

Accessibility & contrast

On white

5.73

#664CDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#664CDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CDF

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CDF	#FFFFFF	#000000	##FFFFFF
##664CDF	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE4

Deuteranopia (green-blind)

#0061DC

Tritanopia (blue-blind)

#30718F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #664cdf;
/* rgb */ color: rgb(102, 76, 223);
/* oklch */ color: oklch(53.2% 0.212 284.7);

Tailwind

colors: {
  custom: {
    50: '#9c80ea',
    500: '#664cdf',
    950: '#000000',
  },
}

SCSS

$custom: #664cdf;
$custom-light: #9c80ea;
$custom-dark: #000000;

JSON

{
  "hex": "#664cdf",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 223
  },
  "hsl": {
    "h": 250.612,
    "s": 69.668,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53156,
    "c": 0.21236,
    "h": 284.7
  },
  "luminance": 0.13321
}

Semantic roles & 50–950 ramp

primary

#664CDF

secondary

#D6E0A6

accent

#EC3BCD

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CDF

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

Preview Lab → · Contrast checker → · Palette generator →