#664CE4#664CE4

#664CE4 is a mid, highly saturated violet. Relative luminance 0.136; OKLCH L 53.6% C 0.218 H 284.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#664CE4
RGB	rgb(102, 76, 228)
HSL	hsl(250, 74%, 60%)
HSV	hsv(250, 67%, 89%)
CMYK	cmyk(55.3%, 66.7%, 0%, 10.6%)
CIE-LAB	lab(43.64, 50.20, -73.67)
CIE-LCH	lch(43.64, 89.15, 304.27°)
OKLab	oklab(53.57% 0.053 -0.2119)
OKLCH	oklch(53.57% 0.218 284.1)
XYZ	xyz(22.0632, 13.5938, 74.8450)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CE4 #CAE44C

analogous

#4C7EE4 #664CE4 #B24CE4

triadic

#664CE4 #E4664C #4CE466

tetradic

#664CE4 #E44C7E #CAE44C #4CE4B2

square

#664CE4 #E44C7E #CAE44C #4CE4B2

split-complementary

#664CE4 #E4B24C #7EE44C

monochromatic

#2F189E #3E20D3 #664CE4 #9381EC #C1B6F4

Accessibility & contrast

On white

5.65

#664CE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#664CE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CE4

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CE4	#FFFFFF	#000000	##FFFFFF
##664CE4	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE9

Deuteranopia (green-blind)

#0062E1

Tritanopia (blue-blind)

#297392

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #664ce4;
/* rgb */ color: rgb(102, 76, 228);
/* oklch */ color: oklch(53.6% 0.218 284.1);

Tailwind

colors: {
  custom: {
    50: '#9d80ee',
    500: '#664ce4',
    950: '#000000',
  },
}

SCSS

$custom: #664ce4;
$custom-light: #9d80ee;
$custom-dark: #000000;

JSON

{
  "hex": "#664ce4",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 228
  },
  "hsl": {
    "h": 250.263,
    "s": 73.786,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53571,
    "c": 0.2184,
    "h": 284.1
  },
  "luminance": 0.13595
}

Semantic roles & 50–950 ramp

primary

#664CE4

secondary

#D9E3A8

accent

#F037D1

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100A16

muted

#7F7C84

Preview Lab

Preview with #664CE4

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

Preview Lab → · Contrast checker → · Palette generator →