#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
RGBrgb(102, 142, 248)
HSLhsl(224, 91%, 69%)
HSVhsv(224, 59%, 97%)
CMYKcmyk(58.9%, 42.7%, 0%, 2.7%)
CIE-LABlab(60.73, 17.41, -57.25)
CIE-LCHlch(60.73, 59.84, 286.92°)
OKLaboklab(66.76% -0.01 -0.1631)
OKLCHoklch(66.76% 0.163 266.5)
XYZxyz(32.0900, 28.9454, 92.6847)
Luminance0.2895 (WCAG relative)
Temperaturecool
Familyblue

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
##668EF81.003.096.796.79
#FFFFFF3.091.0021.0021.00
#0000006.7921.001.001.00
##0000006.7921.001.001.00

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 →

#668EF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva