#668AEB#668AEB

#668AEB is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.2% C 0.150 H 266.9°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#668AEB
RGB	rgb(102, 138, 235)
HSL	hsl(224, 77%, 66%)
HSV	hsv(224, 57%, 92%)
CMYK	cmyk(56.6%, 41.3%, 0%, 7.8%)
CIE-LAB	lab(58.97, 15.60, -52.87)
CIE-LCH	lch(58.97, 55.13, 286.44°)
OKLab	oklab(65.17% -0.0082 -0.1503)
OKLCH	oklch(65.17% 0.151 266.9)
XYZ	xyz(29.5583, 26.9976, 82.2346)
Luminance	0.2700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AEB #EBC766

analogous

#66CDEB #668AEB #8466EB

triadic

#668AEB #EB668A #8AEB66

tetradic

#668AEB #EB66CD #EBC766 #66EB84

square

#668AEB #EB66CD #EBC766 #66EB84

split-complementary

#668AEB #EB8466 #CDEB66

monochromatic

#1945BE #3061E4 #668AEB #9CB3F2 #D2DDF9

Accessibility & contrast

On white

3.28

#668AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#668AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AEB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AEB	#FFFFFF	#000000	##000000
##668AEB	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6094EF

Deuteranopia (green-blind)

#4F88E9

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668aeb;
/* rgb */ color: rgb(102, 138, 235);
/* oklch */ color: oklch(65.2% 0.150 266.9);

Tailwind

colors: {
  custom: {
    50: '#9babf2',
    500: '#668aeb',
    950: '#000000',
  },
}

SCSS

$custom: #668aeb;
$custom-light: #9babf2;
$custom-dark: #000000;

JSON

{
  "hex": "#668aeb",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 235
  },
  "hsl": {
    "h": 223.759,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65174,
    "c": 0.1505,
    "h": 266.9
  },
  "luminance": 0.27
}

Semantic roles & 50–950 ramp

primary

#668AEB

secondary

#ECE0C1

accent

#A20CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AEB

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

Preview Lab → · Contrast checker → · Palette generator →