#664BCD#664BCD

#664BCD is a mid, vivid violet. Relative luminance 0.123; OKLCH L 51.6% C 0.191 H 287.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#664BCD
RGB	rgb(102, 75, 205)
HSL	hsl(252, 57%, 55%)
HSV	hsv(252, 63%, 80%)
CMYK	cmyk(50.2%, 63.4%, 0%, 19.6%)
CIE-LAB	lab(41.63, 44.00, -63.79)
CIE-LCH	lch(41.63, 77.49, 304.60°)
OKLab	oklab(51.55% 0.0567 -0.1828)
OKLCH	oklch(51.55% 0.191 287.2)
XYZ	xyz(19.0118, 12.2638, 59.1112)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664BCD #B2CD4B

analogous

#4B71CD #664BCD #A74BCD

triadic

#664BCD #CD664B #4BCD66

tetradic

#664BCD #CD4B71 #B2CD4B #4BCDA7

square

#664BCD #CD4B71 #B2CD4B #4BCDA7

split-complementary

#664BCD #CDA74B #71CD4B

monochromatic

#35227B #4930AB #664BCD #8F7BDA #B7ABE8

Accessibility & contrast

On white

6.08

#664BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#664BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BCD

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BCD	#FFFFFF	#000000	##FFFFFF
##664BCD	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D1

Deuteranopia (green-blind)

#005FCA

Tritanopia (blue-blind)

#416A85

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #664bcd;
/* rgb */ color: rgb(102, 75, 205);
/* oklch */ color: oklch(51.6% 0.191 287.2);

Tailwind

colors: {
  custom: {
    50: '#9a7fdd',
    500: '#664bcd',
    950: '#000000',
  },
}

SCSS

$custom: #664bcd;
$custom-light: #9a7fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#664bcd",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 205
  },
  "hsl": {
    "h": 252.462,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51555,
    "c": 0.19141,
    "h": 287.2
  },
  "luminance": 0.12265
}

Semantic roles & 50–950 ramp

primary

#664BCD

secondary

#CAD59F

accent

#E048C0

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664BCD

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

Preview Lab → · Contrast checker → · Palette generator →