#668AEA#668AEA

#668AEA is a light, vivid blue. Relative luminance 0.269; OKLCH L 65.1% C 0.149 H 266.8°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#668AEA
RGB	rgb(102, 138, 234)
HSL	hsl(224, 76%, 66%)
HSV	hsv(224, 56%, 92%)
CMYK	cmyk(56.4%, 41%, 0%, 8.2%)
CIE-LAB	lab(58.92, 15.28, -52.40)
CIE-LCH	lch(58.92, 54.59, 286.25°)
OKLab	oklab(65.11% -0.0084 -0.1489)
OKLCH	oklch(65.11% 0.149 266.8)
XYZ	xyz(29.4143, 26.9399, 81.4758)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AEA #EAC666

analogous

#66CCEA #668AEA #8466EA

triadic

#668AEA #EA668A #8AEA66

tetradic

#668AEA #EA66CC #EAC666 #66EA84

square

#668AEA #EA66CC #EAC666 #66EA84

split-complementary

#668AEA #EA8466 #CCEA66

monochromatic

#1A46BC #3061E3 #668AEA #9CB3F1 #D2DCF9

Accessibility & contrast

On white

3.29

#668AEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#668AEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AEA

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AEA	#FFFFFF	#000000	##000000
##668AEA	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6194EE

Deuteranopia (green-blind)

#5088E8

Tritanopia (blue-blind)

#019FAF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668aea;
/* rgb */ color: rgb(102, 138, 234);
/* oklch */ color: oklch(65.1% 0.149 266.8);

Tailwind

colors: {
  custom: {
    50: '#9babf1',
    500: '#668aea',
    950: '#000000',
  },
}

SCSS

$custom: #668aea;
$custom-light: #9babf1;
$custom-dark: #000000;

JSON

{
  "hex": "#668aea",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 234
  },
  "hsl": {
    "h": 223.636,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65115,
    "c": 0.14914,
    "h": 266.8
  },
  "luminance": 0.26942
}

Semantic roles & 50–950 ramp

primary

#668AEA

secondary

#ECE0C0

accent

#A10DD8

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AEA

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

Preview Lab → · Contrast checker → · Palette generator →