#668BBD#668BBD

#668BBD is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.087 H 256.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#668BBD
RGBrgb(102, 139, 189)
HSLhsl(214, 40%, 57%)
HSVhsv(214, 46%, 74%)
CMYKcmyk(46%, 26.5%, 0%, 25.9%)
CIE-LABlab(57.04, 0.74, -30.09)
CIE-LCHlch(57.04, 30.10, 271.41°)
OKLaboklab(62.95% -0.0207 -0.084)
OKLCHoklch(62.95% 0.087 256.1)
XYZxyz(23.8944, 24.9626, 51.6934)
Luminance0.2496 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668BBD #BD9866
analogous
#66B6BD #668BBD #6D66BD
triadic
#668BBD #BD668B #8BBD66
tetradic
#668BBD #BD66B6 #BD9866 #66BD6D
square
#668BBD #BD66B6 #BD9866 #66BD6D
split-complementary
#668BBD #BD6D66 #B6BD66
monochromatic
#334F76 #456CA1 #668BBD #91ABCF #BCCCE2

Accessibility & contrast

On white

3.50
#668BBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#668BBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668BBD
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668BBD#FFFFFF#000000##000000
##668BBD1.003.505.995.99
#FFFFFF3.501.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#788EBF
Deuteranopia (green-blind)
#6E85BC
Tritanopia (blue-blind)
#43969C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #668bbd;
/* rgb */ color: rgb(102, 139, 189);
/* oklch */ color: oklch(63.0% 0.087 256.1);
Tailwind
colors: {
  custom: {
    50: '#96acd1',
    500: '#668bbd',
    950: '#000000',
  },
}
SCSS
$custom: #668bbd;
$custom-light: #96acd1;
$custom-dark: #000000;
JSON
{
  "hex": "#668bbd",
  "rgb": {
    "r": 102,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 214.483,
    "s": 39.726,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62951,
    "c": 0.08656,
    "h": 256.1
  },
  "luminance": 0.24964
}

Semantic roles & 50–950 ramp

primary
#668BBD
secondary
#D1C2AE
accent
#9D58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #668BBD

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

Preview Lab → · Contrast checker → · Palette generator →

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