#664ACC#664ACC

#664ACC is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.3% C 0.191 H 287.6°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#664ACC
RGB	rgb(102, 74, 204)
HSL	hsl(253, 56%, 55%)
HSV	hsv(253, 64%, 80%)
CMYK	cmyk(50%, 63.7%, 0%, 20%)
CIE-LAB	lab(41.34, 44.27, -63.68)
CIE-LCH	lch(41.34, 77.56, 304.81°)
OKLab	oklab(51.32% 0.0578 -0.1825)
OKLCH	oklch(51.32% 0.191 287.6)
XYZ	xyz(18.8242, 12.0811, 58.4551)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664ACC #B0CC4A

analogous

#4A6FCC #664ACC #A74ACC

triadic

#664ACC #CC664A #4ACC66

tetradic

#664ACC #CC4A6F #B0CC4A #4ACCA7

square

#664ACC #CC4A6F #B0CC4A #4ACCA7

split-complementary

#664ACC #CCA74A #6FCC4A

monochromatic

#352279 #4A30A9 #664ACC #8E7AD9 #B7A9E7

Accessibility & contrast

On white

6.15

#664ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#664ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664ACC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664ACC	#FFFFFF	#000000	##FFFFFF
##664ACC	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D0

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#416984

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #664acc;
/* rgb */ color: rgb(102, 74, 204);
/* oklch */ color: oklch(51.3% 0.191 287.6);

Tailwind

colors: {
  custom: {
    50: '#9a7edc',
    500: '#664acc',
    950: '#000000',
  },
}

SCSS

$custom: #664acc;
$custom-light: #9a7edc;
$custom-dark: #000000;

JSON

{
  "hex": "#664acc",
  "rgb": {
    "r": 102,
    "g": 74,
    "b": 204
  },
  "hsl": {
    "h": 252.923,
    "s": 56.034,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51322,
    "c": 0.19143,
    "h": 287.6
  },
  "luminance": 0.12082
}

Semantic roles & 50–950 ramp

primary

#664ACC

secondary

#C9D49D

accent

#DF48BF

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664ACC

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

Preview Lab → · Contrast checker → · Palette generator →