#668CBE#668CBE

#668CBE is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.2% C 0.087 H 255.6°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#668CBE
RGBrgb(102, 140, 190)
HSLhsl(214, 40%, 57%)
HSVhsv(214, 46%, 75%)
CMYKcmyk(46.3%, 26.3%, 0%, 25.5%)
CIE-LABlab(57.36, 0.46, -30.16)
CIE-LCHlch(57.36, 30.16, 270.87°)
OKLaboklab(63.22% -0.0217 -0.0842)
OKLCHoklch(63.22% 0.087 255.6)
XYZxyz(24.1487, 25.2971, 52.3155)
Luminance0.2530 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668CBE #BE9866
analogous
#66B8BE #668CBE #6C66BE
triadic
#668CBE #BE668C #8CBE66
tetradic
#668CBE #BE66B8 #BE9866 #66BE6C
square
#668CBE #BE66B8 #BE9866 #66BE6C
split-complementary
#668CBE #BE6C66 #B8BE66
monochromatic
#335077 #456DA2 #668CBE #91ACD0 #BCCDE2

Accessibility & contrast

On white

3.47
#668CBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.06
#668CBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668CBE
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668CBE#FFFFFF#000000##000000
##668CBE1.003.476.066.06
#FFFFFF3.471.0021.0021.00
#0000006.0621.001.001.00
##0000006.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#798EC0
Deuteranopia (green-blind)
#6E86BD
Tritanopia (blue-blind)
#42979D
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #668cbe;
/* rgb */ color: rgb(102, 140, 190);
/* oklch */ color: oklch(63.2% 0.087 255.6);
Tailwind
colors: {
  custom: {
    50: '#96add1',
    500: '#668cbe',
    950: '#000000',
  },
}
SCSS
$custom: #668cbe;
$custom-light: #96add1;
$custom-dark: #000000;
JSON
{
  "hex": "#668cbe",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 190
  },
  "hsl": {
    "h": 214.091,
    "s": 40.367,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63219,
    "c": 0.08696,
    "h": 255.6
  },
  "luminance": 0.25299
}

Semantic roles & 50–950 ramp

primary
#668CBE
secondary
#D2C2AE
accent
#9C58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #668CBE

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

Preview Lab → · Contrast checker → · Palette generator →

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