#664FD2#664FD2

#664FD2 is a mid, vivid violet. Relative luminance 0.131; OKLCH L 52.6% C 0.193 H 285.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#664FD2
RGB	rgb(102, 79, 210)
HSL	hsl(251, 59%, 57%)
HSV	hsv(251, 62%, 82%)
CMYK	cmyk(51.4%, 62.4%, 0%, 17.6%)
CIE-LAB	lab(42.87, 43.19, -64.66)
CIE-LCH	lch(42.87, 77.76, 303.74°)
OKLab	oklab(52.57% 0.0522 -0.1854)
OKLCH	oklch(52.57% 0.193 285.7)
XYZ	xyz(19.9049, 13.0689, 62.4340)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FD2 #BBD24F

analogous

#4F7AD2 #664FD2 #A74FD2

triadic

#664FD2 #D2664F #4FD266

tetradic

#664FD2 #D24F7A #BBD24F #4FD2A7

square

#664FD2 #D24F7A #BBD24F #4FD2A7

split-complementary

#664FD2 #D2A74F #7AD24F

monochromatic

#332285 #462EB5 #664FD2 #9080DE #BBB0EB

Accessibility & contrast

On white

5.81

#664FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#664FD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FD2

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FD2	#FFFFFF	#000000	##FFFFFF
##664FD2	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D6

Deuteranopia (green-blind)

#0061CF

Tritanopia (blue-blind)

#3C6F89

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664fd2;
/* rgb */ color: rgb(102, 79, 210);
/* oklch */ color: oklch(52.6% 0.193 285.7);

Tailwind

colors: {
  custom: {
    50: '#9a81e1',
    500: '#664fd2',
    950: '#000000',
  },
}

SCSS

$custom: #664fd2;
$custom-light: #9a81e1;
$custom-dark: #000000;

JSON

{
  "hex": "#664fd2",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 210
  },
  "hsl": {
    "h": 250.534,
    "s": 59.276,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5257,
    "c": 0.19261,
    "h": 285.7
  },
  "luminance": 0.1307
}

Semantic roles & 50–950 ramp

primary

#664FD2

secondary

#D0D9A4

accent

#E245C7

background

#FAF8FD

surface

#F3EFFB

border

#CDCAD4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664FD2

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

Preview Lab → · Contrast checker → · Palette generator →