#668FEE#668FEE

#668FEE is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.149 H 265.0°. Best body text is #000000 at 6.73:1 contrast (WCAG AA passes).

Color values

HEX#668FEE
RGBrgb(102, 143, 238)
HSLhsl(222, 80%, 67%)
HSVhsv(222, 57%, 93%)
CMYKcmyk(57.1%, 39.9%, 0%, 6.7%)
CIE-LABlab(60.46, 13.59, -52.16)
CIE-LCHlch(60.46, 53.90, 284.60°)
OKLaboklab(66.37% -0.0129 -0.1482)
OKLCHoklch(66.37% 0.149 265)
XYZxyz(30.7293, 28.6403, 84.7811)
Luminance0.2864 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668FEE #EEC566
analogous
#66D3EE #668FEE #8166EE
triadic
#668FEE #EE668F #8FEE66
tetradic
#668FEE #EE66D3 #EEC566 #66EE81
square
#668FEE #EE66D3 #EEC566 #66EE81
split-complementary
#668FEE #EE8166 #D3EE66
monochromatic
#164AC4 #2F67E8 #668FEE #9DB7F4 #D4E0FA

Accessibility & contrast

On white

3.12
#668FEE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.73
#668FEE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668FEE
6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668FEE#FFFFFF#000000##000000
##668FEE1.003.126.736.73
#FFFFFF3.121.0021.0021.00
#0000006.7321.001.001.00
##0000006.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6698F2
Deuteranopia (green-blind)
#558CEC
Tritanopia (blue-blind)
#00A4B3
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #668fee;
/* rgb */ color: rgb(102, 143, 238);
/* oklch */ color: oklch(66.4% 0.149 265.0);
Tailwind
colors: {
  custom: {
    50: '#9baff4',
    500: '#668fee',
    950: '#000000',
  },
}
SCSS
$custom: #668fee;
$custom-light: #9baff4;
$custom-dark: #000000;
JSON
{
  "hex": "#668fee",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 238
  },
  "hsl": {
    "h": 221.912,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66374,
    "c": 0.14872,
    "h": 265
  },
  "luminance": 0.28643
}

Semantic roles & 50–950 ramp

primary
#668FEE
secondary
#EEE1C2
accent
#9D09DC
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #668FEE

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

Preview Lab → · Contrast checker → · Palette generator →

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