#668AEE#668AEE

#668AEE is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.4% C 0.155 H 267.2°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#668AEE
RGB	rgb(102, 138, 238)
HSL	hsl(224, 80%, 67%)
HSV	hsv(224, 57%, 93%)
CMYK	cmyk(57.1%, 42%, 0%, 6.7%)
CIE-LAB	lab(59.13, 16.56, -54.28)
CIE-LCH	lch(59.13, 56.75, 286.97°)
OKLab	oklab(65.35% -0.0076 -0.1544)
OKLCH	oklch(65.35% 0.155 267.2)
XYZ	xyz(29.9954, 27.1724, 84.5365)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AEE #EECA66

analogous

#66CEEE #668AEE #8666EE

triadic

#668AEE #EE668A #8AEE66

tetradic

#668AEE #EE66CE #EECA66 #66EE86

square

#668AEE #EE66CE #EECA66 #66EE86

split-complementary

#668AEE #EE8666 #CEEE66

monochromatic

#1644C4 #2F60E8 #668AEE #9DB4F4 #D4DEFA

Accessibility & contrast

On white

3.26

#668AEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#668AEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AEE

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AEE	#FFFFFF	#000000	##000000
##668AEE	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E95F2

Deuteranopia (green-blind)

#4C89EC

Tritanopia (blue-blind)

#00A0B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668aee;
/* rgb */ color: rgb(102, 138, 238);
/* oklch */ color: oklch(65.4% 0.155 267.2);

Tailwind

colors: {
  custom: {
    50: '#9babf4',
    500: '#668aee',
    950: '#000000',
  },
}

SCSS

$custom: #668aee;
$custom-light: #9babf4;
$custom-dark: #000000;

JSON

{
  "hex": "#668aee",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 238
  },
  "hsl": {
    "h": 224.118,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65351,
    "c": 0.15459,
    "h": 267.2
  },
  "luminance": 0.27175
}

Semantic roles & 50–950 ramp

primary

#668AEE

secondary

#EEE2C2

accent

#A409DC

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AEE

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

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