#664BC3#664BC3

#664BC3 is a mid, vivid violet. Relative luminance 0.118; OKLCH L 50.8% C 0.179 H 288.7°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#664BC3
RGB	rgb(102, 75, 195)
HSL	hsl(254, 50%, 53%)
HSV	hsv(254, 62%, 76%)
CMYK	cmyk(47.7%, 61.5%, 0%, 23.5%)
CIE-LAB	lab(40.89, 41.08, -59.20)
CIE-LCH	lch(40.89, 72.05, 304.76°)
OKLab	oklab(50.78% 0.0575 -0.1693)
OKLCH	oklch(50.78% 0.179 288.7)
XYZ	xyz(17.8431, 11.7963, 52.9559)
Luminance	0.1180 (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

#664BC3 #A8C34B

analogous

#4B6CC3 #664BC3 #A24BC3

triadic

#664BC3 #C3664B #4BC366

tetradic

#664BC3 #C34B6C #A8C34B #4BC3A2

square

#664BC3 #C34B6C #A8C34B #4BC3A2

split-complementary

#664BC3 #C3A24B #6CC34B

monochromatic

#36256F #4C349D #664BC3 #8D79D2 #B4A7E2

Accessibility & contrast

On white

6.25

#664BC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#664BC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BC3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BC3	#FFFFFF	#000000	##FFFFFF
##664BC3	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C7

Deuteranopia (green-blind)

#005DC1

Tritanopia (blue-blind)

#476780

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #664bc3;
/* rgb */ color: rgb(102, 75, 195);
/* oklch */ color: oklch(50.8% 0.179 288.7);

Tailwind

colors: {
  custom: {
    50: '#997ed6',
    500: '#664bc3',
    950: '#000000',
  },
}

SCSS

$custom: #664bc3;
$custom-light: #997ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#664bc3",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 195
  },
  "hsl": {
    "h": 253.5,
    "s": 50,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50781,
    "c": 0.1788,
    "h": 288.7
  },
  "luminance": 0.11797
}

Semantic roles & 50–950 ramp

primary

#664BC3

secondary

#C3CF9B

accent

#DA4EBA

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #664BC3

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

Preview Lab → · Contrast checker → · Palette generator →