#668BDE#668BDE

#668BDE is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.132 H 264.8°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX#668BDE
RGBrgb(102, 139, 222)
HSLhsl(222, 65%, 64%)
HSVhsv(222, 54%, 87%)
CMYKcmyk(54.1%, 37.4%, 0%, 12.9%)
CIE-LABlab(58.57, 10.86, -46.28)
CIE-LCHlch(58.57, 47.54, 283.20°)
OKLaboklab(64.64% -0.0119 -0.131)
OKLCHoklch(64.64% 0.132 264.8)
XYZxyz(27.8925, 26.5619, 72.7502)
Luminance0.2656 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BDE #DEB966
analogous
#66C7DE #668BDE #7D66DE
triadic
#668BDE #DE668B #8BDE66
tetradic
#668BDE #DE66C7 #DEB966 #66DE7D
square
#668BDE #DE66C7 #DEB966 #66DE7D
split-complementary
#668BDE #DE7D66 #C7DE66
monochromatic
#244CA6 #3465D3 #668BDE #98B1E9 #CBD7F4

Accessibility & contrast

On white

3.33
#668BDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.31
#668BDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BDE
6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BDE#FFFFFF#000000##000000
##668BDE1.003.336.316.31
#FFFFFF3.331.0021.0021.00
#0000006.3121.001.001.00
##0000006.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6993E1
Deuteranopia (green-blind)
#5B88DC
Tritanopia (blue-blind)
#239DAA
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #668bde;
/* rgb */ color: rgb(102, 139, 222);
/* oklch */ color: oklch(64.6% 0.132 264.8);
Tailwind
colors: {
  custom: {
    50: '#99ace8',
    500: '#668bde',
    950: '#000000',
  },
}
SCSS
$custom: #668bde;
$custom-light: #99ace8;
$custom-dark: #000000;
JSON
{
  "hex": "#668bde",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 222
  },
  "hsl": {
    "h": 221.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64642,
    "c": 0.13153,
    "h": 264.8
  },
  "luminance": 0.26564
}

Semantic roles & 50–950 ramp

primary
#668BDE
secondary
#E5D8BB
accent
#9519CC
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0F1016
muted
#7E7F84

Preview Lab

Preview with #668BDE

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

Preview Lab → · Contrast checker → · Palette generator →

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