#664FEA#664FEA

#664FEA is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.5% C 0.222 H 282.9°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#664FEA
RGB	rgb(102, 79, 234)
HSL	hsl(249, 79%, 61%)
HSV	hsv(249, 66%, 92%)
CMYK	cmyk(56.4%, 66.2%, 0%, 8.2%)
CIE-LAB	lab(44.74, 50.32, -75.28)
CIE-LCH	lch(44.74, 90.55, 303.76°)
OKLab	oklab(54.51% 0.0497 -0.2166)
OKLCH	oklch(54.51% 0.222 282.9)
XYZ	xyz(23.1222, 14.3558, 79.3785)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FEA #D3EA4F

analogous

#4F86EA #664FEA #B44FEA

triadic

#664FEA #EA664F #4FEA66

tetradic

#664FEA #EA4F86 #D3EA4F #4FEAB4

square

#664FEA #EA4F86 #D3EA4F #4FEAB4

split-complementary

#664FEA #EAB44F #86EA4F

monochromatic

#2B14AA #381BE1 #664FEA #9686F1 #C5BCF7

Accessibility & contrast

On white

5.42

#664FEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#664FEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FEA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FEA	#FFFFFF	#000000	##FFFFFF
##664FEA	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FEF

Deuteranopia (green-blind)

#0065E7

Tritanopia (blue-blind)

#1F7796

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #664fea;
/* rgb */ color: rgb(102, 79, 234);
/* oklch */ color: oklch(54.5% 0.222 282.9);

Tailwind

colors: {
  custom: {
    50: '#9e82f2',
    500: '#664fea',
    950: '#000000',
  },
}

SCSS

$custom: #664fea;
$custom-light: #9e82f2;
$custom-dark: #000000;

JSON

{
  "hex": "#664fea",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 234
  },
  "hsl": {
    "h": 248.903,
    "s": 78.68,
    "l": 61.373
  },
  "oklch": {
    "l": 0.5451,
    "c": 0.2222,
    "h": 282.9
  },
  "luminance": 0.14357
}

Semantic roles & 50–950 ramp

primary

#664FEA

secondary

#DFE7AD

accent

#DB0BBC

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664FEA

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

Preview Lab → · Contrast checker → · Palette generator →