#668DCE#668DCE

#668DCE is a light, moderate blue. Relative luminance 0.263; OKLCH L 64.2% C 0.107 H 260.2°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#668DCE
RGBrgb(102, 141, 206)
HSLhsl(218, 51%, 60%)
HSVhsv(218, 50%, 81%)
CMYKcmyk(50.5%, 31.6%, 0%, 19.2%)
CIE-LABlab(58.35, 4.70, -37.66)
CIE-LCHlch(58.35, 37.95, 277.11°)
OKLaboklab(64.22% -0.0182 -0.1059)
OKLCHoklch(64.22% 0.107 260.2)
XYZxyz(26.1412, 26.3289, 62.0850)
Luminance0.2633 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668DCE #CEA766
analogous
#66C1CE #668DCE #7366CE
triadic
#668DCE #CE668D #8DCE66
tetradic
#668DCE #CE66C1 #CEA766 #66CE73
square
#668DCE #CE66C1 #CEA766 #66CE73
split-complementary
#668DCE #CE7366 #C1CE66
monochromatic
#2D518D #3C6CBB #668DCE #94B0DD #C3D2EC

Accessibility & contrast

On white

3.35
#668DCE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.27
#668DCE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DCE
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668DCE#FFFFFF#000000##000000
##668DCE1.003.356.276.27
#FFFFFF3.351.0021.0021.00
#0000006.2721.001.001.00
##0000006.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7492D1
Deuteranopia (green-blind)
#6888CD
Tritanopia (blue-blind)
#359BA4
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #668dce;
/* rgb */ color: rgb(102, 141, 206);
/* oklch */ color: oklch(64.2% 0.107 260.2);
Tailwind
colors: {
  custom: {
    50: '#97aedd',
    500: '#668dce',
    950: '#000000',
  },
}
SCSS
$custom: #668dce;
$custom-light: #97aedd;
$custom-dark: #000000;
JSON
{
  "hex": "#668dce",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 206
  },
  "hsl": {
    "h": 217.5,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.6422,
    "c": 0.10743,
    "h": 260.2
  },
  "luminance": 0.26331
}

Semantic roles & 50–950 ramp

primary
#668DCE
secondary
#DCCDB4
accent
#8627BF
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #668DCE

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

Preview Lab → · Contrast checker → · Palette generator →

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