#664FCA#664FCA

#664FCA is a mid, vivid violet. Relative luminance 0.127; OKLCH L 52.0% C 0.182 H 286.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#664FCA
RGB	rgb(102, 79, 202)
HSL	hsl(251, 54%, 55%)
HSV	hsv(251, 61%, 79%)
CMYK	cmyk(49.5%, 60.9%, 0%, 20.8%)
CIE-LAB	lab(42.28, 40.81, -61.01)
CIE-LCH	lch(42.28, 73.40, 303.78°)
OKLab	oklab(51.96% 0.0528 -0.1746)
OKLCH	oklch(51.96% 0.182 286.8)
XYZ	xyz(18.9330, 12.6801, 57.3156)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FCA #B3CA4F

analogous

#4F75CA #664FCA #A44FCA

triadic

#664FCA #CA664F #4FCA66

tetradic

#664FCA #CA4F75 #B3CA4F #4FCAA4

square

#664FCA #CA4F75 #B3CA4F #4FCAA4

split-complementary

#664FCA #CAA44F #75CA4F

monochromatic

#35257A #4933A9 #664FCA #8F7ED8 #B8ADE6

Accessibility & contrast

On white

5.94

#664FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#664FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FCA

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FCA	#FFFFFF	#000000	##FFFFFF
##664FCA	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#426C85

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #664fca;
/* rgb */ color: rgb(102, 79, 202);
/* oklch */ color: oklch(52.0% 0.182 286.8);

Tailwind

colors: {
  custom: {
    50: '#9981db',
    500: '#664fca',
    950: '#000000',
  },
}

SCSS

$custom: #664fca;
$custom-light: #9981db;
$custom-dark: #000000;

JSON

{
  "hex": "#664fca",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 202
  },
  "hsl": {
    "h": 251.22,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51955,
    "c": 0.18244,
    "h": 286.8
  },
  "luminance": 0.12681
}

Semantic roles & 50–950 ramp

primary

#664FCA

secondary

#CBD4A1

accent

#DD4BC2

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0F0A15

muted

#7E7C83

Preview Lab

Preview with #664FCA

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

Preview Lab → · Contrast checker → · Palette generator →