#668CED#668CED

#668CED is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.7% C 0.151 H 266.2°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#668CED
RGB	rgb(102, 140, 237)
HSL	hsl(223, 79%, 66%)
HSV	hsv(223, 57%, 93%)
CMYK	cmyk(57%, 40.9%, 0%, 7.1%)
CIE-LAB	lab(59.61, 15.05, -52.97)
CIE-LCH	lch(59.61, 55.06, 285.86°)
OKLab	oklab(65.7% -0.0099 -0.1505)
OKLCH	oklch(65.7% 0.151 266.2)
XYZ	xyz(30.1385, 27.6930, 83.8614)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668CED #EDC766

analogous

#66D0ED #668CED #8466ED

triadic

#668CED #ED668C #8CED66

tetradic

#668CED #ED66D0 #EDC766 #66ED84

square

#668CED #ED66D0 #EDC766 #66ED84

split-complementary

#668CED #ED8466 #D0ED66

monochromatic

#1747C2 #2F63E7 #668CED #9DB5F3 #D4DEFA

Accessibility & contrast

On white

3.21

#668CED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#668CED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CED

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668CED	#FFFFFF	#000000	##000000
##668CED	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6296F1

Deuteranopia (green-blind)

#518AEB

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #668ced;
/* rgb */ color: rgb(102, 140, 237);
/* oklch */ color: oklch(65.7% 0.151 266.2);

Tailwind

colors: {
  custom: {
    50: '#9badf3',
    500: '#668ced',
    950: '#000000',
  },
}

SCSS

$custom: #668ced;
$custom-light: #9badf3;
$custom-dark: #000000;

JSON

{
  "hex": "#668ced",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 237
  },
  "hsl": {
    "h": 223.111,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.657,
    "c": 0.15087,
    "h": 266.2
  },
  "luminance": 0.27695
}

Semantic roles & 50–950 ramp

primary

#668CED

secondary

#EDE1C2

accent

#A00ADB

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668CED

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

Preview Lab → · Contrast checker → · Palette generator →