#668EF8#668EF8

#668EF8 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.8% C 0.163 H 266.5°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#668EF8
RGB	rgb(102, 142, 248)
HSL	hsl(224, 91%, 69%)
HSV	hsv(224, 59%, 97%)
CMYK	cmyk(58.9%, 42.7%, 0%, 2.7%)
CIE-LAB	lab(60.73, 17.41, -57.25)
CIE-LCH	lch(60.73, 59.84, 286.92°)
OKLab	oklab(66.76% -0.01 -0.1631)
OKLCH	oklch(66.76% 0.163 266.5)
XYZ	xyz(32.0900, 28.9454, 92.6847)
Luminance	0.2895 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668EF8 #F8D066

analogous

#66D7F8 #668EF8 #8766F8

triadic

#668EF8 #F8668E #8EF866

tetradic

#668EF8 #F866D7 #F8D066 #66F887

square

#668EF8 #F866D7 #F8D066 #66F887

split-complementary

#668EF8 #F88766 #D7F866

monochromatic

#0A43DA #2B63F5 #668EF8 #A1B9FB #DBE4FD

Accessibility & contrast

On white

3.09

#668EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#668EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EF8

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668EF8	#FFFFFF	#000000	##000000
##668EF8	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E9AFC

Deuteranopia (green-blind)

#4A8CF6

Tritanopia (blue-blind)

#00A6B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #668ef8;
/* rgb */ color: rgb(102, 142, 248);
/* oklch */ color: oklch(66.8% 0.163 266.5);

Tailwind

colors: {
  custom: {
    50: '#9daefb',
    500: '#668ef8',
    950: '#000000',
  },
}

SCSS

$custom: #668ef8;
$custom-light: #9daefb;
$custom-dark: #000000;

JSON

{
  "hex": "#668ef8",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 248
  },
  "hsl": {
    "h": 223.562,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.66756,
    "c": 0.16338,
    "h": 266.5
  },
  "luminance": 0.28948
}

Semantic roles & 50–950 ramp

primary

#668EF8

secondary

#F3E7C7

accent

#A700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #668EF8

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

Preview Lab → · Contrast checker → · Palette generator →