#664DCD#664DCD

#664DCD is a mid, vivid violet. Relative luminance 0.125; OKLCH L 51.9% C 0.189 H 286.8°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#664DCD
RGB	rgb(102, 77, 205)
HSL	hsl(252, 56%, 55%)
HSV	hsv(252, 62%, 80%)
CMYK	cmyk(50.2%, 62.4%, 0%, 19.6%)
CIE-LAB	lab(42.06, 42.86, -63.09)
CIE-LCH	lch(42.06, 76.27, 304.19°)
OKLab	oklab(51.87% 0.0546 -0.1808)
OKLCH	oklch(51.87% 0.189 286.8)
XYZ	xyz(19.1496, 12.5394, 59.1571)
Luminance	0.1254 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DCD #B4CD4D

analogous

#4D74CD #664DCD #A64DCD

triadic

#664DCD #CD664D #4DCD66

tetradic

#664DCD #CD4D74 #B4CD4D #4DCDA6

square

#664DCD #CD4D74 #B4CD4D #4DCDA6

split-complementary

#664DCD #CDA64D #74CD4D

monochromatic

#35237D #4930AC #664DCD #8F7DDA #B8ADE8

Accessibility & contrast

On white

5.99

#664DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#664DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DCD

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DCD	#FFFFFF	#000000	##FFFFFF
##664DCD	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D1

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#406C86

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #664dcd;
/* rgb */ color: rgb(102, 77, 205);
/* oklch */ color: oklch(51.9% 0.189 286.8);

Tailwind

colors: {
  custom: {
    50: '#9a80dd',
    500: '#664dcd',
    950: '#000000',
  },
}

SCSS

$custom: #664dcd;
$custom-light: #9a80dd;
$custom-dark: #000000;

JSON

{
  "hex": "#664dcd",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 205
  },
  "hsl": {
    "h": 251.719,
    "s": 56.14,
    "l": 55.294
  },
  "oklch": {
    "l": 0.51866,
    "c": 0.18886,
    "h": 286.8
  },
  "luminance": 0.1254
}

Semantic roles & 50–950 ramp

primary

#664DCD

secondary

#CBD6A0

accent

#DF48C2

background

#FAF7FD

surface

#F3EEFB

border

#CDC9D4

text

#0F0A15

muted

#7F7C83

Preview Lab

Preview with #664DCD

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

Preview Lab → · Contrast checker → · Palette generator →