#664BD0#664BD0

#664BD0 is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.8% C 0.195 H 286.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#664BD0
RGB	rgb(102, 75, 208)
HSL	hsl(252, 59%, 55%)
HSV	hsv(252, 64%, 82%)
CMYK	cmyk(51%, 63.9%, 0%, 18.4%)
CIE-LAB	lab(41.86, 44.88, -65.15)
CIE-LCH	lch(41.86, 79.11, 304.56°)
OKLab	oklab(51.79% 0.0564 -0.1868)
OKLCH	oklch(51.79% 0.195 286.8)
XYZ	xyz(19.3774, 12.4101, 61.0366)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664BD0 #B5D04B

analogous

#4B73D0 #664BD0 #A84BD0

triadic

#664BD0 #D0664B #4BD066

tetradic

#664BD0 #D04B73 #B5D04B #4BD0A8

square

#664BD0 #D04B73 #B5D04B #4BD0A8

split-complementary

#664BD0 #D0A84B #73D04B

monochromatic

#34217F #482EB0 #664BD0 #8F7CDD #B8ACE9

Accessibility & contrast

On white

6.03

#664BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#664BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BD0

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BD0	#FFFFFF	#000000	##FFFFFF
##664BD0	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D4

Deuteranopia (green-blind)

#005FCD

Tritanopia (blue-blind)

#3E6B87

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #664bd0;
/* rgb */ color: rgb(102, 75, 208);
/* oklch */ color: oklch(51.8% 0.195 286.8);

Tailwind

colors: {
  custom: {
    50: '#9a7fdf',
    500: '#664bd0',
    950: '#000000',
  },
}

SCSS

$custom: #664bd0;
$custom-light: #9a7fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#664bd0",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 208
  },
  "hsl": {
    "h": 252.18,
    "s": 58.59,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51792,
    "c": 0.19514,
    "h": 286.8
  },
  "luminance": 0.12411
}

Semantic roles & 50–950 ramp

primary

#664BD0

secondary

#CCD7A0

accent

#E246C2

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664BD0

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

Preview Lab → · Contrast checker → · Palette generator →