#668EEE#668EEE

#668EEE is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.2% C 0.150 H 265.5°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#668EEE
RGBrgb(102, 142, 238)
HSLhsl(222, 80%, 67%)
HSVhsv(222, 57%, 93%)
CMYKcmyk(57.1%, 40.3%, 0%, 6.7%)
CIE-LABlab(60.20, 14.18, -52.59)
CIE-LCHlch(60.20, 54.47, 285.09°)
OKLaboklab(66.17% -0.0119 -0.1494)
OKLCHoklch(66.17% 0.15 265.5)
XYZxyz(30.5799, 28.3414, 84.7313)
Luminance0.2834 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668EEE #EEC666
analogous
#66D2EE #668EEE #8266EE
triadic
#668EEE #EE668E #8EEE66
tetradic
#668EEE #EE66D2 #EEC666 #66EE82
square
#668EEE #EE66D2 #EEC666 #66EE82
split-complementary
#668EEE #EE8266 #D2EE66
monochromatic
#1649C4 #2F65E8 #668EEE #9DB7F4 #D4DFFA

Accessibility & contrast

On white

3.15
#668EEE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.67
#668EEE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EEE
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668EEE#FFFFFF#000000##000000
##668EEE1.003.156.676.67
#FFFFFF3.151.0021.0021.00
#0000006.6721.001.001.00
##0000006.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6598F2
Deuteranopia (green-blind)
#538BEC
Tritanopia (blue-blind)
#00A3B2
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #668eee;
/* rgb */ color: rgb(102, 142, 238);
/* oklch */ color: oklch(66.2% 0.150 265.5);
Tailwind
colors: {
  custom: {
    50: '#9baef4',
    500: '#668eee',
    950: '#000000',
  },
}
SCSS
$custom: #668eee;
$custom-light: #9baef4;
$custom-dark: #000000;
JSON
{
  "hex": "#668eee",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 222.353,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66168,
    "c": 0.14988,
    "h": 265.5
  },
  "luminance": 0.28344
}

Semantic roles & 50–950 ramp

primary
#668EEE
secondary
#EEE1C2
accent
#9E09DC
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #668EEE

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

Preview Lab → · Contrast checker → · Palette generator →

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