#664CD9#664CD9

#664CD9 is a mid, highly saturated violet. Relative luminance 0.130; OKLCH L 52.7% C 0.205 H 285.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#664CD9
RGB	rgb(102, 76, 217)
HSL	hsl(251, 65%, 57%)
HSV	hsv(251, 65%, 85%)
CMYK	cmyk(53%, 65%, 0%, 14.9%)
CIE-LAB	lab(42.77, 46.96, -68.84)
CIE-LCH	lch(42.77, 83.33, 304.30°)
OKLab	oklab(52.66% 0.0545 -0.1977)
OKLCH	oklch(52.66% 0.205 285.4)
XYZ	xyz(20.5846, 13.0023, 67.0572)
Luminance	0.1300 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CD9 #BFD94C

analogous

#4C78D9 #664CD9 #AD4CD9

triadic

#664CD9 #D9664C #4CD966

tetradic

#664CD9 #D94C78 #BFD94C #4CD9AD

square

#664CD9 #D94C78 #BFD94C #4CD9AD

split-complementary

#664CD9 #D9AD4C #78D94C

monochromatic

#321E8D #4429BF #664CD9 #917EE4 #BCB1EE

Accessibility & contrast

On white

5.83

#664CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#664CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CD9

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CD9	#FFFFFF	#000000	##FFFFFF
##664CD9	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DD

Deuteranopia (green-blind)

#0061D6

Tritanopia (blue-blind)

#366F8C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664cd9;
/* rgb */ color: rgb(102, 76, 217);
/* oklch */ color: oklch(52.7% 0.205 285.4);

Tailwind

colors: {
  custom: {
    50: '#9c80e6',
    500: '#664cd9',
    950: '#000000',
  },
}

SCSS

$custom: #664cd9;
$custom-light: #9c80e6;
$custom-dark: #000000;

JSON

{
  "hex": "#664cd9",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 217
  },
  "hsl": {
    "h": 251.064,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52665,
    "c": 0.20503,
    "h": 285.4
  },
  "luminance": 0.13003
}

Semantic roles & 50–950 ramp

primary

#664CD9

secondary

#D2DDA4

accent

#E840C9

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CD9

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

Preview Lab → · Contrast checker → · Palette generator →