#664FD4#664FD4

#664FD4 is a mid, vivid violet. Relative luminance 0.132; OKLCH L 52.7% C 0.195 H 285.5°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#664FD4
RGB	rgb(102, 79, 212)
HSL	hsl(250, 61%, 57%)
HSV	hsv(250, 63%, 83%)
CMYK	cmyk(51.9%, 62.7%, 0%, 16.9%)
CIE-LAB	lab(43.02, 43.78, -65.57)
CIE-LCH	lch(43.02, 78.84, 303.73°)
OKLab	oklab(52.73% 0.0521 -0.188)
OKLCH	oklch(52.73% 0.195 285.5)
XYZ	xyz(20.1556, 13.1692, 63.7544)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FD4 #BDD44F

analogous

#4F7BD4 #664FD4 #A94FD4

triadic

#664FD4 #D4664F #4FD466

tetradic

#664FD4 #D44F7B #BDD44F #4FD4A9

square

#664FD4 #D44F7B #BDD44F #4FD4A9

split-complementary

#664FD4 #D4A94F #7BD44F

monochromatic

#332187 #452DB9 #664FD4 #9180E0 #BCB1EC

Accessibility & contrast

On white

5.78

#664FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#664FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FD4

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FD4	#FFFFFF	#000000	##FFFFFF
##664FD4	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D8

Deuteranopia (green-blind)

#0062D1

Tritanopia (blue-blind)

#3B6F8A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #664fd4;
/* rgb */ color: rgb(102, 79, 212);
/* oklch */ color: oklch(52.7% 0.195 285.5);

Tailwind

colors: {
  custom: {
    50: '#9b81e2',
    500: '#664fd4',
    950: '#000000',
  },
}

SCSS

$custom: #664fd4;
$custom-light: #9b81e2;
$custom-dark: #000000;

JSON

{
  "hex": "#664fd4",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 212
  },
  "hsl": {
    "h": 250.376,
    "s": 60.731,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52727,
    "c": 0.19513,
    "h": 285.5
  },
  "luminance": 0.1317
}

Semantic roles & 50–950 ramp

primary

#664FD4

secondary

#D1DAA4

accent

#E444C8

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0A15

muted

#7F7C84

Preview Lab

Preview with #664FD4

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

Preview Lab → · Contrast checker → · Palette generator →