#664EE8#664EE8

#664EE8 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.2% C 0.221 H 283.3°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#664EE8
RGB	rgb(102, 78, 232)
HSL	hsl(249, 77%, 61%)
HSV	hsv(249, 66%, 91%)
CMYK	cmyk(56%, 66.4%, 0%, 9%)
CIE-LAB	lab(44.37, 50.28, -74.75)
CIE-LCH	lch(44.37, 90.09, 303.93°)
OKLab	oklab(54.2% 0.0508 -0.215)
OKLCH	oklch(54.2% 0.221 283.3)
XYZ	xyz(22.7649, 14.0983, 77.8500)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664EE8 #D0E84E

analogous

#4E83E8 #664EE8 #B34EE8

triadic

#664EE8 #E8664E #4EE866

tetradic

#664EE8 #E84E83 #D0E84E #4EE8B3

square

#664EE8 #E84E83 #D0E84E #4EE8B3

split-complementary

#664EE8 #E8B34E #83E84E

monochromatic

#2C16A6 #3A1DDC #664EE8 #9584EF #C4BAF6

Accessibility & contrast

On white

5.50

#664EE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#664EE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664EE8

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664EE8	#FFFFFF	#000000	##FFFFFF
##664EE8	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EED

Deuteranopia (green-blind)

#0064E5

Tritanopia (blue-blind)

#237695

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #664ee8;
/* rgb */ color: rgb(102, 78, 232);
/* oklch */ color: oklch(54.2% 0.221 283.3);

Tailwind

colors: {
  custom: {
    50: '#9e81f0',
    500: '#664ee8',
    950: '#000000',
  },
}

SCSS

$custom: #664ee8;
$custom-light: #9e81f0;
$custom-dark: #000000;

JSON

{
  "hex": "#664ee8",
  "rgb": {
    "r": 102,
    "g": 78,
    "b": 232
  },
  "hsl": {
    "h": 249.351,
    "s": 77,
    "l": 60.784
  },
  "oklch": {
    "l": 0.54197,
    "c": 0.22093,
    "h": 283.3
  },
  "luminance": 0.141
}

Semantic roles & 50–950 ramp

primary

#664EE8

secondary

#DDE6AC

accent

#D90CB9

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664EE8

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

Preview Lab → · Contrast checker → · Palette generator →