#664DE3#664DE3

#664DE3 is a mid, highly saturated violet. Relative luminance 0.137; OKLCH L 53.6% C 0.216 H 284.0°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#664DE3
RGB	rgb(102, 77, 227)
HSL	hsl(250, 73%, 60%)
HSV	hsv(250, 66%, 89%)
CMYK	cmyk(55.1%, 66.1%, 0%, 11%)
CIE-LAB	lab(43.77, 49.35, -72.91)
CIE-LCH	lch(43.77, 88.04, 304.10°)
OKLab	oklab(53.63% 0.0523 -0.2096)
OKLCH	oklch(53.63% 0.216 284)
XYZ	xyz(21.9943, 13.6773, 74.1392)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DE3 #CAE34D

analogous

#4D7FE3 #664DE3 #B14DE3

triadic

#664DE3 #E3664D #4DE366

tetradic

#664DE3 #E34D7F #CAE34D #4DE3B1

square

#664DE3 #E34D7F #CAE34D #4DE3B1

split-complementary

#664DE3 #E3B14D #7FE34D

monochromatic

#2F199D #3E21D2 #664DE3 #9382EB #C1B7F4

Accessibility & contrast

On white

5.62

#664DE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#664DE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DE3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DE3	#FFFFFF	#000000	##FFFFFF
##664DE3	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE8

Deuteranopia (green-blind)

#0063E0

Tritanopia (blue-blind)

#2B7392

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #664de3;
/* rgb */ color: rgb(102, 77, 227);
/* oklch */ color: oklch(53.6% 0.216 284.0);

Tailwind

colors: {
  custom: {
    50: '#9d81ed',
    500: '#664de3',
    950: '#000000',
  },
}

SCSS

$custom: #664de3;
$custom-light: #9d81ed;
$custom-dark: #000000;

JSON

{
  "hex": "#664de3",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 227
  },
  "hsl": {
    "h": 250,
    "s": 72.816,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53634,
    "c": 0.21604,
    "h": 284
  },
  "luminance": 0.13679
}

Semantic roles & 50–950 ramp

primary

#664DE3

secondary

#D9E3A9

accent

#F038D1

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664DE3

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

Preview Lab → · Contrast checker → · Palette generator →