#664CD7#664CD7

#664CD7 is a mid, highly saturated violet. Relative luminance 0.129; OKLCH L 52.5% C 0.203 H 285.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#664CD7
RGB	rgb(102, 76, 215)
HSL	hsl(251, 63%, 57%)
HSV	hsv(251, 65%, 84%)
CMYK	cmyk(52.6%, 64.7%, 0%, 15.7%)
CIE-LAB	lab(42.61, 46.37, -67.95)
CIE-LCH	lch(42.61, 82.26, 304.31°)
OKLab	oklab(52.5% 0.0547 -0.195)
OKLCH	oklch(52.5% 0.203 285.7)
XYZ	xyz(20.3260, 12.8989, 65.6955)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CD7 #BDD74C

analogous

#4C78D7 #664CD7 #AC4CD7

triadic

#664CD7 #D7664C #4CD766

tetradic

#664CD7 #D74C78 #BDD74C #4CD7AC

square

#664CD7 #D74C78 #BDD74C #4CD7AC

split-complementary

#664CD7 #D7AC4C #78D74C

monochromatic

#331F8A #452ABC #664CD7 #917EE2 #BCB0ED

Accessibility & contrast

On white

5.87

#664CD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#664CD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CD7

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CD7	#FFFFFF	#000000	##FFFFFF
##664CD7	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DB

Deuteranopia (green-blind)

#0060D4

Tritanopia (blue-blind)

#386E8B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664cd7;
/* rgb */ color: rgb(102, 76, 215);
/* oklch */ color: oklch(52.5% 0.203 285.7);

Tailwind

colors: {
  custom: {
    50: '#9b80e4',
    500: '#664cd7',
    950: '#000000',
  },
}

SCSS

$custom: #664cd7;
$custom-light: #9b80e4;
$custom-dark: #000000;

JSON

{
  "hex": "#664cd7",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 215
  },
  "hsl": {
    "h": 251.223,
    "s": 63.47,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52504,
    "c": 0.20257,
    "h": 285.7
  },
  "luminance": 0.129
}

Semantic roles & 50–950 ramp

primary

#664CD7

secondary

#D1DCA3

accent

#E641C8

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CD7

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

Preview Lab → · Contrast checker → · Palette generator →