#668BEE#668BEE

#668BEE is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.6% C 0.153 H 266.8°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#668BEE
RGB	rgb(102, 139, 238)
HSL	hsl(224, 80%, 67%)
HSV	hsv(224, 57%, 93%)
CMYK	cmyk(57.1%, 41.6%, 0%, 6.7%)
CIE-LAB	lab(59.40, 15.97, -53.86)
CIE-LCH	lch(59.40, 56.17, 286.51°)
OKLab	oklab(65.55% -0.0087 -0.1532)
OKLCH	oklch(65.55% 0.153 266.8)
XYZ	xyz(30.1395, 27.4607, 84.5845)
Luminance	0.2746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668BEE #EEC966

analogous

#66CFEE #668BEE #8566EE

triadic

#668BEE #EE668B #8BEE66

tetradic

#668BEE #EE66CF #EEC966 #66EE85

square

#668BEE #EE66CF #EEC966 #66EE85

split-complementary

#668BEE #EE8566 #CFEE66

monochromatic

#1645C4 #2F61E8 #668BEE #9DB5F4 #D4DFFA

Accessibility & contrast

On white

3.23

#668BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#668BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BEE

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668BEE	#FFFFFF	#000000	##000000
##668BEE	1.00	3.23	6.49	6.49
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6096F2

Deuteranopia (green-blind)

#4E89EC

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #668bee;
/* rgb */ color: rgb(102, 139, 238);
/* oklch */ color: oklch(65.6% 0.153 266.8);

Tailwind

colors: {
  custom: {
    50: '#9bacf4',
    500: '#668bee',
    950: '#000000',
  },
}

SCSS

$custom: #668bee;
$custom-light: #9bacf4;
$custom-dark: #000000;

JSON

{
  "hex": "#668bee",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 238
  },
  "hsl": {
    "h": 223.676,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65554,
    "c": 0.15341,
    "h": 266.8
  },
  "luminance": 0.27463
}

Semantic roles & 50–950 ramp

primary

#668BEE

secondary

#EEE2C2

accent

#A309DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668BEE

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

Preview Lab → · Contrast checker → · Palette generator →