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#1b4b71 Color

Color Codes
Hex Code #1b4b71
RGB Code rgb(27, 75, 113)
HSL Code hsl(207, 61%, 27%)

#1b4b71 Color Syntax

rgb()

 rgb(Red, Green, Blue);
 rgba(Red, Green, Blue, Alpha);

 main {
    background-color: rgb(27, 75, 113);
   }

R(red), G(green), B(blue) can be number between 0-255.
A parameter is a hex characters (0–9, A–F) and optional.

hsl()

 hsl(hue saturation lightness);
 hsl(hue saturation lightness / alpha);

 div {
  background-color: hsl(207, 61%, 27%);
  }

Saturation value is a percentage value between 0% unsaturated and 100% fully saturated.
Lightness value is a percentage value between 100% is white and 0% is black.

Lighter and darker colors of #1b4b71

RGB Code Hex Code Preview
rgb(27, 75, 113, 10%) #1b4b711a  
rgb(27, 75, 113, 20%) #1b4b7133  
rgb(27, 75, 113, 40%) #1b4b714C  
rgb(27, 75, 113, 60%) #1b4b7199  
rgb(27, 75, 113, 80%) #1b4b71CC  
rgb(27, 75, 113, 100%) #1b4b71FF  

Saturated and desaturated colors of #1b4b71

HSL Code Preview
hsl(207, 10%, 27%)  
hsl(207, 20%, 27%)  
hsl(207, 40%, 27%)  
hsl(207, 60%, 27%)  
hsl(207, 80%, 27%)  
hsl(207, 100%, 27%)  

#1b4b71 Color Usage In CSS

 body {
    color: #1b4b71;
    }
 p {
    color: rgb(27, 75, 113);
    }
 header {
    border-bottom:1px solid #1b4b71;
    }
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