#664DD9#664DD9

#664DD9 is a mid, highly saturated violet. Relative luminance 0.131; OKLCH L 52.8% C 0.204 H 285.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#664DD9
RGB	rgb(102, 77, 217)
HSL	hsl(251, 65%, 58%)
HSV	hsv(251, 65%, 85%)
CMYK	cmyk(53%, 64.5%, 0%, 14.9%)
CIE-LAB	lab(42.98, 46.40, -68.50)
CIE-LCH	lch(42.98, 82.73, 304.11°)
OKLab	oklab(52.82% 0.0535 -0.1967)
OKLCH	oklch(52.82% 0.204 285.2)
XYZ	xyz(20.6540, 13.1412, 67.0804)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DD9 #C0D94D

analogous

#4D7AD9 #664DD9 #AC4DD9

triadic

#664DD9 #D9664D #4DD966

tetradic

#664DD9 #D94D7A #C0D94D #4DD9AC

square

#664DD9 #D94D7A #C0D94D #4DD9AC

split-complementary

#664DD9 #D9AC4D #7AD94D

monochromatic

#321E8D #4429C0 #664DD9 #917FE4 #BDB2EF

Accessibility & contrast

On white

5.79

#664DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#664DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DD9

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DD9	#FFFFFF	#000000	##FFFFFF
##664DD9	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DD

Deuteranopia (green-blind)

#0061D6

Tritanopia (blue-blind)

#36708C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664dd9;
/* rgb */ color: rgb(102, 77, 217);
/* oklch */ color: oklch(52.8% 0.204 285.2);

Tailwind

colors: {
  custom: {
    50: '#9b80e6',
    500: '#664dd9',
    950: '#000000',
  },
}

SCSS

$custom: #664dd9;
$custom-light: #9b80e6;
$custom-dark: #000000;

JSON

{
  "hex": "#664dd9",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 217
  },
  "hsl": {
    "h": 250.714,
    "s": 64.815,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52816,
    "c": 0.20382,
    "h": 285.2
  },
  "luminance": 0.13142
}

Semantic roles & 50–950 ramp

primary

#664DD9

secondary

#D3DDA5

accent

#E840CA

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664DD9

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

Preview Lab → · Contrast checker → · Palette generator →