#668EED#668EED

#668EED is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.1% C 0.149 H 265.3°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#668EED
RGB	rgb(102, 142, 237)
HSL	hsl(222, 79%, 66%)
HSV	hsv(222, 57%, 93%)
CMYK	cmyk(57%, 40.1%, 0%, 7.1%)
CIE-LAB	lab(60.14, 13.86, -52.12)
CIE-LCH	lch(60.14, 53.93, 284.89°)
OKLab	oklab(66.11% -0.0121 -0.148)
OKLCH	oklch(66.11% 0.149 265.3)
XYZ	xyz(30.4334, 28.2828, 83.9597)
Luminance	0.2828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EED #EDC566

analogous

#66D2ED #668EED #8266ED

triadic

#668EED #ED668E #8EED66

tetradic

#668EED #ED66D2 #EDC566 #66ED82

square

#668EED #ED66D2 #EDC566 #66ED82

split-complementary

#668EED #ED8266 #D2ED66

monochromatic

#1749C2 #2F66E7 #668EED #9DB6F3 #D4DFFA

Accessibility & contrast

On white

3.15

#668EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#668EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EED

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EED	#FFFFFF	#000000	##000000
##668EED	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6598F1

Deuteranopia (green-blind)

#548BEB

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #668eed;
/* rgb */ color: rgb(102, 142, 237);
/* oklch */ color: oklch(66.1% 0.149 265.3);

Tailwind

colors: {
  custom: {
    50: '#9baef3',
    500: '#668eed',
    950: '#000000',
  },
}

SCSS

$custom: #668eed;
$custom-light: #9baef3;
$custom-dark: #000000;

JSON

{
  "hex": "#668eed",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 237
  },
  "hsl": {
    "h": 222.222,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66111,
    "c": 0.14852,
    "h": 265.3
  },
  "luminance": 0.28285
}

Semantic roles & 50–950 ramp

primary

#668EED

secondary

#EDE0C2

accent

#9D0ADB

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668EED

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

Preview Lab → · Contrast checker → · Palette generator →