#668AEF#668AEF

#668AEF is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.4% C 0.156 H 267.3°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#668AEF
RGB	rgb(102, 138, 239)
HSL	hsl(224, 81%, 67%)
HSV	hsv(224, 57%, 94%)
CMYK	cmyk(57.3%, 42.3%, 0%, 6.3%)
CIE-LAB	lab(59.19, 16.89, -54.75)
CIE-LCH	lch(59.19, 57.29, 287.14°)
OKLab	oklab(65.41% -0.0075 -0.1558)
OKLCH	oklch(65.41% 0.156 267.3)
XYZ	xyz(30.1427, 27.2313, 85.3124)
Luminance	0.2723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668AEF #EFCB66

analogous

#66CEEF #668AEF #8766EF

triadic

#668AEF #EF668A #8AEF66

tetradic

#668AEF #EF66CE #EFCB66 #66EF87

square

#668AEF #EF66CE #EFCB66 #66EF87

split-complementary

#668AEF #EF8766 #CEEF66

monochromatic

#1543C6 #2F60E9 #668AEF #9DB4F5 #D5DFFB

Accessibility & contrast

On white

3.26

#668AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#668AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AEF

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668AEF	#FFFFFF	#000000	##000000
##668AEF	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E95F3

Deuteranopia (green-blind)

#4B89ED

Tritanopia (blue-blind)

#00A0B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #668aef;
/* rgb */ color: rgb(102, 138, 239);
/* oklch */ color: oklch(65.4% 0.156 267.3);

Tailwind

colors: {
  custom: {
    50: '#9babf5',
    500: '#668aef',
    950: '#000000',
  },
}

SCSS

$custom: #668aef;
$custom-light: #9babf5;
$custom-dark: #000000;

JSON

{
  "hex": "#668aef",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 224.234,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.6541,
    "c": 0.15595,
    "h": 267.3
  },
  "luminance": 0.27234
}

Semantic roles & 50–950 ramp

primary

#668AEF

secondary

#EEE3C2

accent

#A508DD

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668AEF

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

Preview Lab → · Contrast checker → · Palette generator →