#664EEC#664EEC

#664EEC is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.5% C 0.226 H 282.9°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#664EEC
RGB	rgb(102, 78, 236)
HSL	hsl(249, 81%, 62%)
HSV	hsv(249, 67%, 93%)
CMYK	cmyk(56.8%, 66.9%, 0%, 7.5%)
CIE-LAB	lab(44.70, 51.47, -76.47)
CIE-LCH	lch(44.70, 92.18, 303.94°)
OKLab	oklab(54.53% 0.0502 -0.2201)
OKLCH	oklch(54.53% 0.226 282.9)
XYZ	xyz(23.3395, 14.3282, 80.8764)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664EEC #D4EC4E

analogous

#4E85EC #664EEC #B54EEC

triadic

#664EEC #EC664E #4EEC66

tetradic

#664EEC #EC4E85 #D4EC4E #4EECB5

square

#664EEC #EC4E85 #D4EC4E #4EECB5

split-complementary

#664EEC #ECB54E #85EC4E

monochromatic

#2A13AD #3719E4 #664EEC #9685F2 #C6BDF8

Accessibility & contrast

On white

5.43

#664EEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#664EEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664EEC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664EEC	#FFFFFF	#000000	##FFFFFF
##664EEC	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF1

Deuteranopia (green-blind)

#0064E9

Tritanopia (blue-blind)

#1B7797

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #664eec;
/* rgb */ color: rgb(102, 78, 236);
/* oklch */ color: oklch(54.5% 0.226 282.9);

Tailwind

colors: {
  custom: {
    50: '#9e81f3',
    500: '#664eec',
    950: '#000000',
  },
}

SCSS

$custom: #664eec;
$custom-light: #9e81f3;
$custom-dark: #000000;

JSON

{
  "hex": "#664eec",
  "rgb": {
    "r": 102,
    "g": 78,
    "b": 236
  },
  "hsl": {
    "h": 249.114,
    "s": 80.612,
    "l": 61.569
  },
  "oklch": {
    "l": 0.54532,
    "c": 0.22573,
    "h": 282.9
  },
  "luminance": 0.1433
}

Semantic roles & 50–950 ramp

primary

#664EEC

secondary

#DFE8AE

accent

#DD09BD

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664EEC

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

Preview Lab → · Contrast checker → · Palette generator →