#664FBD#664FBD

#664FBD is a mid, vivid violet. Relative luminance 0.121; OKLCH L 51.0% C 0.166 H 288.8°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#664FBD
RGB	rgb(102, 79, 189)
HSL	hsl(253, 45%, 53%)
HSV	hsv(253, 58%, 74%)
CMYK	cmyk(46%, 58.2%, 0%, 25.9%)
CIE-LAB	lab(41.36, 36.98, -54.94)
CIE-LCH	lch(41.36, 66.23, 303.95°)
OKLab	oklab(50.99% 0.0532 -0.1568)
OKLCH	oklch(50.99% 0.166 288.8)
XYZ	xyz(17.4582, 12.0902, 49.5480)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FBD #A6BD4F

analogous

#4F6FBD #664FBD #9D4FBD

triadic

#664FBD #BD664F #4FBD66

tetradic

#664FBD #BD4F6F #A6BD4F #4FBD9D

square

#664FBD #BD4F6F #A6BD4F #4FBD9D

split-complementary

#664FBD #BD9D4F #6FBD4F

monochromatic

#36286A #4C3896 #664FBD #8D7CCE #B3A8DE

Accessibility & contrast

On white

6.14

#664FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#664FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FBD

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FBD	#FFFFFF	#000000	##FFFFFF
##664FBD	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#4B687E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #664fbd;
/* rgb */ color: rgb(102, 79, 189);
/* oklch */ color: oklch(51.0% 0.166 288.8);

Tailwind

colors: {
  custom: {
    50: '#9881d2',
    500: '#664fbd',
    950: '#000000',
  },
}

SCSS

$custom: #664fbd;
$custom-light: #9881d2;
$custom-dark: #000000;

JSON

{
  "hex": "#664fbd",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 189
  },
  "hsl": {
    "h": 252.545,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5099,
    "c": 0.16558,
    "h": 288.8
  },
  "luminance": 0.12091
}

Semantic roles & 50–950 ramp

primary

#664FBD

secondary

#C2CC9C

accent

#D553BA

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #664FBD

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

Preview Lab → · Contrast checker → · Palette generator →