#664BD5#664BD5

#664BD5 is a mid, highly saturated violet. Relative luminance 0.127; OKLCH L 52.2% C 0.201 H 286.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#664BD5
RGB	rgb(102, 75, 213)
HSL	hsl(252, 62%, 56%)
HSV	hsv(252, 65%, 84%)
CMYK	cmyk(52.1%, 64.8%, 0%, 16.5%)
CIE-LAB	lab(42.25, 46.34, -67.39)
CIE-LCH	lch(42.25, 81.79, 304.51°)
OKLab	oklab(52.19% 0.0558 -0.1934)
OKLCH	oklch(52.19% 0.201 286.1)
XYZ	xyz(20.0022, 12.6600, 64.3276)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664BD5 #BAD54B

analogous

#4B75D5 #664BD5 #AB4BD5

triadic

#664BD5 #D5664B #4BD566

tetradic

#664BD5 #D54B75 #BAD54B #4BD5AB

square

#664BD5 #D54B75 #BAD54B #4BD5AB

split-complementary

#664BD5 #D5AB4B #75D54B

monochromatic

#331F86 #462BB8 #664BD5 #907DE1 #BAAEEC

Accessibility & contrast

On white

5.95

#664BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#664BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BD5

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BD5	#FFFFFF	#000000	##FFFFFF
##664BD5	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D9

Deuteranopia (green-blind)

#0060D2

Tritanopia (blue-blind)

#3A6D89

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #664bd5;
/* rgb */ color: rgb(102, 75, 213);
/* oklch */ color: oklch(52.2% 0.201 286.1);

Tailwind

colors: {
  custom: {
    50: '#9b7fe3',
    500: '#664bd5',
    950: '#000000',
  },
}

SCSS

$custom: #664bd5;
$custom-light: #9b7fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#664bd5",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 213
  },
  "hsl": {
    "h": 251.739,
    "s": 62.162,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52192,
    "c": 0.20133,
    "h": 286.1
  },
  "luminance": 0.12661
}

Semantic roles & 50–950 ramp

primary

#664BD5

secondary

#CFDAA2

accent

#E543C5

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664BD5

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

Preview Lab → · Contrast checker → · Palette generator →