#664CDB#664CDB

#664CDB is a mid, highly saturated violet. Relative luminance 0.131; OKLCH L 52.8% C 0.207 H 285.1°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#664CDB
RGB	rgb(102, 76, 219)
HSL	hsl(251, 67%, 58%)
HSV	hsv(251, 65%, 86%)
CMYK	cmyk(53.4%, 65.3%, 0%, 14.1%)
CIE-LAB	lab(42.92, 47.55, -69.73)
CIE-LCH	lch(42.92, 84.40, 304.29°)
OKLab	oklab(52.83% 0.0542 -0.2003)
OKLCH	oklch(52.83% 0.207 285.1)
XYZ	xyz(20.8463, 13.1070, 68.4355)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664CDB #C1DB4C

analogous

#4C79DB #664CDB #AD4CDB

triadic

#664CDB #DB664C #4CDB66

tetradic

#664CDB #DB4C79 #C1DB4C #4CDBAD

square

#664CDB #DB4C79 #C1DB4C #4CDBAD

split-complementary

#664CDB #DBAD4C #79DB4C

monochromatic

#321D90 #4327C3 #664CDB #927FE5 #BDB2EF

Accessibility & contrast

On white

5.80

#664CDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#664CDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664CDB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664CDB	#FFFFFF	#000000	##FFFFFF
##664CDB	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DF

Deuteranopia (green-blind)

#0061D8

Tritanopia (blue-blind)

#34708D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664cdb;
/* rgb */ color: rgb(102, 76, 219);
/* oklch */ color: oklch(52.8% 0.207 285.1);

Tailwind

colors: {
  custom: {
    50: '#9c80e7',
    500: '#664cdb',
    950: '#000000',
  },
}

SCSS

$custom: #664cdb;
$custom-light: #9c80e7;
$custom-dark: #000000;

JSON

{
  "hex": "#664cdb",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 219
  },
  "hsl": {
    "h": 250.909,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52828,
    "c": 0.20748,
    "h": 285.1
  },
  "luminance": 0.13108
}

Semantic roles & 50–950 ramp

primary

#664CDB

secondary

#D4DEA5

accent

#E93ECA

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664CDB

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

Preview Lab → · Contrast checker → · Palette generator →