#664CD6#664CD6

#664CD6 is a mid, highly saturated violet. Relative luminance 0.128; OKLCH L 52.4% C 0.201 H 285.8°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#664CD6
RGB	rgb(102, 76, 214)
HSL	hsl(251, 63%, 57%)
HSV	hsv(251, 64%, 84%)
CMYK	cmyk(52.3%, 64.5%, 0%, 16.1%)
CIE-LAB	lab(42.53, 46.08, -67.50)
CIE-LCH	lch(42.53, 81.73, 304.32°)
OKLab	oklab(52.42% 0.0548 -0.1937)
OKLCH	oklch(52.42% 0.201 285.8)
XYZ	xyz(20.1979, 12.8476, 65.0209)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CD6 #BCD64C

analogous

#4C77D6 #664CD6 #AB4CD6

triadic

#664CD6 #D6664C #4CD666

tetradic

#664CD6 #D64C77 #BCD64C #4CD6AB

square

#664CD6 #D64C77 #BCD64C #4CD6AB

split-complementary

#664CD6 #D6AB4C #77D64C

monochromatic

#331F88 #462BBA #664CD6 #917EE1 #BBB0ED

Accessibility & contrast

On white

5.88

#664CD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#664CD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CD6

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CD6	#FFFFFF	#000000	##FFFFFF
##664CD6	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DA

Deuteranopia (green-blind)

#0060D3

Tritanopia (blue-blind)

#396E8A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #664cd6;
/* rgb */ color: rgb(102, 76, 214);
/* oklch */ color: oklch(52.4% 0.201 285.8);

Tailwind

colors: {
  custom: {
    50: '#9b80e4',
    500: '#664cd6',
    950: '#000000',
  },
}

SCSS

$custom: #664cd6;
$custom-light: #9b80e4;
$custom-dark: #000000;

JSON

{
  "hex": "#664cd6",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 214
  },
  "hsl": {
    "h": 251.304,
    "s": 62.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52423,
    "c": 0.20134,
    "h": 285.8
  },
  "luminance": 0.12849
}

Semantic roles & 50–950 ramp

primary

#664CD6

secondary

#D0DBA3

accent

#E642C7

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CD6

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

Preview Lab → · Contrast checker → · Palette generator →