#664FE8#664FE8

#664FE8 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 54.3% C 0.220 H 283.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#664FE8
RGB	rgb(102, 79, 232)
HSL	hsl(249, 77%, 61%)
HSV	hsv(249, 66%, 91%)
CMYK	cmyk(56%, 65.9%, 0%, 9%)
CIE-LAB	lab(44.58, 49.73, -74.41)
CIE-LCH	lch(44.58, 89.50, 303.75°)
OKLab	oklab(54.34% 0.0499 -0.214)
OKLCH	oklch(54.34% 0.22 283.1)
XYZ	xyz(22.8365, 14.2415, 77.8738)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FE8 #D1E84F

analogous

#4F84E8 #664FE8 #B34FE8

triadic

#664FE8 #E8664F #4FE866

tetradic

#664FE8 #E84F84 #D1E84F #4FE8B3

square

#664FE8 #E84F84 #D1E84F #4FE8B3

split-complementary

#664FE8 #E8B34F #84E84F

monochromatic

#2C16A7 #3A1DDD #664FE8 #9585EF #C4BBF6

Accessibility & contrast

On white

5.46

#664FE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#664FE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FE8

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FE8	#FFFFFF	#000000	##FFFFFF
##664FE8	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	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: #664fe8;
/* rgb */ color: rgb(102, 79, 232);
/* oklch */ color: oklch(54.3% 0.220 283.1);

Tailwind

colors: {
  custom: {
    50: '#9e82f0',
    500: '#664fe8',
    950: '#000000',
  },
}

SCSS

$custom: #664fe8;
$custom-light: #9e82f0;
$custom-dark: #000000;

JSON

{
  "hex": "#664fe8",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 232
  },
  "hsl": {
    "h": 249.02,
    "s": 76.884,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54344,
    "c": 0.21979,
    "h": 283.1
  },
  "luminance": 0.14243
}

Semantic roles & 50–950 ramp

primary

#664FE8

secondary

#DEE6AD

accent

#D90CBA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664FE8

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

Preview Lab → · Contrast checker → · Palette generator →