#664BBF#664BBF

#664BBF is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.5% C 0.174 H 289.4°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#664BBF
RGB	rgb(102, 75, 191)
HSL	hsl(254, 48%, 52%)
HSV	hsv(254, 61%, 75%)
CMYK	cmyk(46.6%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(40.60, 39.91, -57.33)
CIE-LCH	lch(40.60, 69.86, 304.85°)
OKLab	oklab(50.48% 0.0577 -0.1638)
OKLCH	oklch(50.48% 0.174 289.4)
XYZ	xyz(17.3969, 11.6179, 50.6059)
Luminance	0.1162 (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

#664BBF #A4BF4B

analogous

#4B6ABF #664BBF #A04BBF

triadic

#664BBF #BF664B #4BBF66

tetradic

#664BBF #BF4B6A #A4BF4B #4BBFA0

square

#664BBF #BF4B6A #A4BF4B #4BBFA0

split-complementary

#664BBF #BFA04B #6ABF4B

monochromatic

#36266A #4C3697 #664BBF #8C78CF #B3A5DF

Accessibility & contrast

On white

6.32

#664BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#664BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BBF

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BBF	#FFFFFF	#000000	##FFFFFF
##664BBF	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#4A667E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #664bbf;
/* rgb */ color: rgb(102, 75, 191);
/* oklch */ color: oklch(50.5% 0.174 289.4);

Tailwind

colors: {
  custom: {
    50: '#987ed3',
    500: '#664bbf',
    950: '#000000',
  },
}

SCSS

$custom: #664bbf;
$custom-light: #987ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#664bbf",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 253.966,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50479,
    "c": 0.17369,
    "h": 289.4
  },
  "luminance": 0.11619
}

Semantic roles & 50–950 ramp

primary

#664BBF

secondary

#C0CC9A

accent

#D751B8

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #664BBF

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

Preview Lab → · Contrast checker → · Palette generator →