#664FEC#664FEC

#664FEC is a mid, highly saturated blue. Relative luminance 0.145; OKLCH L 54.7% C 0.225 H 282.7°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#664FEC
RGB	rgb(102, 79, 236)
HSL	hsl(249, 81%, 62%)
HSV	hsv(249, 67%, 93%)
CMYK	cmyk(56.8%, 66.5%, 0%, 7.5%)
CIE-LAB	lab(44.90, 50.92, -76.14)
CIE-LCH	lch(44.90, 91.60, 303.77°)
OKLab	oklab(54.68% 0.0494 -0.2191)
OKLCH	oklch(54.68% 0.225 282.7)
XYZ	xyz(23.4111, 14.4714, 80.9002)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FEC #D5EC4F

analogous

#4F87EC #664FEC #B54FEC

triadic

#664FEC #EC664F #4FEC66

tetradic

#664FEC #EC4F87 #D5EC4F #4FECB5

square

#664FEC #EC4F87 #D5EC4F #4FECB5

split-complementary

#664FEC #ECB54F #87EC4F

monochromatic

#2913AE #3719E5 #664FEC #9686F2 #C6BDF8

Accessibility & contrast

On white

5.39

#664FEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#664FEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FEC

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FEC	#FFFFFF	#000000	##FFFFFF
##664FEC	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF1

Deuteranopia (green-blind)

#0065E9

Tritanopia (blue-blind)

#1B7897

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #664fec;
/* rgb */ color: rgb(102, 79, 236);
/* oklch */ color: oklch(54.7% 0.225 282.7);

Tailwind

colors: {
  custom: {
    50: '#9e82f3',
    500: '#664fec',
    950: '#000000',
  },
}

SCSS

$custom: #664fec;
$custom-light: #9e82f3;
$custom-dark: #000000;

JSON

{
  "hex": "#664fec",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 236
  },
  "hsl": {
    "h": 248.79,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54677,
    "c": 0.22461,
    "h": 282.7
  },
  "luminance": 0.14473
}

Semantic roles & 50–950 ramp

primary

#664FEC

secondary

#E0E8AE

accent

#DD09BE

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #664FEC

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

Preview Lab → · Contrast checker → · Palette generator →