#664FE4#664FE4

#664FE4 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.0% C 0.215 H 283.6°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#664FE4
RGB	rgb(102, 79, 228)
HSL	hsl(249, 73%, 60%)
HSV	hsv(249, 65%, 89%)
CMYK	cmyk(55.3%, 65.4%, 0%, 10.6%)
CIE-LAB	lab(44.26, 48.54, -72.67)
CIE-LCH	lch(44.26, 87.39, 303.74°)
OKLab	oklab(54.01% 0.0504 -0.2089)
OKLCH	oklch(54.01% 0.215 283.6)
XYZ	xyz(22.2748, 14.0168, 74.9155)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FE4 #CDE44F

analogous

#4F82E4 #664FE4 #B14FE4

triadic

#664FE4 #E4664F #4FE466

tetradic

#664FE4 #E44F82 #CDE44F #4FE4B1

square

#664FE4 #E44F82 #CDE44F #4FE4B1

split-complementary

#664FE4 #E4B14F #82E44F

monochromatic

#2D19A0 #3D21D5 #664FE4 #9484EC #C2B9F4

Accessibility & contrast

On white

5.52

#664FE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#664FE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FE4

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FE4	#FFFFFF	#000000	##FFFFFF
##664FE4	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE9

Deuteranopia (green-blind)

#0064E1

Tritanopia (blue-blind)

#297593

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #664fe4;
/* rgb */ color: rgb(102, 79, 228);
/* oklch */ color: oklch(54.0% 0.215 283.6);

Tailwind

colors: {
  custom: {
    50: '#9d82ee',
    500: '#664fe4',
    950: '#000000',
  },
}

SCSS

$custom: #664fe4;
$custom-light: #9d82ee;
$custom-dark: #000000;

JSON

{
  "hex": "#664fe4",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 228
  },
  "hsl": {
    "h": 249.262,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.54013,
    "c": 0.21492,
    "h": 283.6
  },
  "luminance": 0.14018
}

Semantic roles & 50–950 ramp

primary

#664FE4

secondary

#DBE4AB

accent

#D610B7

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664FE4

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

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