#668EEB#668EEB

#668EEB is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.0% C 0.146 H 265.1°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#668EEB
RGBrgb(102, 142, 235)
HSLhsl(222, 77%, 66%)
HSVhsv(222, 57%, 92%)
CMYKcmyk(56.6%, 39.6%, 0%, 7.8%)
CIE-LABlab(60.04, 13.22, -51.18)
CIE-LCHlch(60.04, 52.86, 284.48°)
OKLaboklab(66% -0.0124 -0.1453)
OKLCHoklch(66% 0.146 265.1)
XYZxyz(30.1428, 28.1665, 82.4294)
Luminance0.2817 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668EEB #EBC366
analogous
#66D0EB #668EEB #8066EB
triadic
#668EEB #EB668E #8EEB66
tetradic
#668EEB #EB66D0 #EBC366 #66EB80
square
#668EEB #EB66D0 #EBC366 #66EB80
split-complementary
#668EEB #EB8066 #D0EB66
monochromatic
#194ABE #3066E4 #668EEB #9CB6F2 #D2DEF9

Accessibility & contrast

On white

3.17
#668EEB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.63
#668EEB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EEB
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668EEB#FFFFFF#000000##000000
##668EEB1.003.176.636.63
#FFFFFF3.171.0021.0021.00
#0000006.6321.001.001.00
##0000006.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#6797EF
Deuteranopia (green-blind)
#568BE9
Tritanopia (blue-blind)
#00A3B1
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #668eeb;
/* rgb */ color: rgb(102, 142, 235);
/* oklch */ color: oklch(66.0% 0.146 265.1);
Tailwind
colors: {
  custom: {
    50: '#9baef2',
    500: '#668eeb',
    950: '#000000',
  },
}
SCSS
$custom: #668eeb;
$custom-light: #9baef2;
$custom-dark: #000000;
JSON
{
  "hex": "#668eeb",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 235
  },
  "hsl": {
    "h": 221.955,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65996,
    "c": 0.14581,
    "h": 265.1
  },
  "luminance": 0.28169
}

Semantic roles & 50–950 ramp

primary
#668EEB
secondary
#ECDFC1
accent
#9C0CD9
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #668EEB

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

Preview Lab → · Contrast checker → · Palette generator →

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