Here is a color palette based on the request for cool shades of blue:

json
{
  "palette_name": "Cool Blues",
  "colors": [
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
                            
                            #4682B4
                        "
    },
    {
      "name": "Dodger Blue",
      "hex_code": "
                            
                            #1E90FF
                        "
    },
    {
      "name": "Light Slate Blue",
      "hex_code": "
                            
                            #8470FF
                        "
    },
    {
      "name": "Deep Sky Blue",
      "hex_code": "
                            
                            #00BFFF
                        "
    }
  ]
}

This palette, “Cool Blues,” features a range of blue shades that evoke a sense of tranquility and freshness. Do you have a specific project in mind for these colors, or would you like additional suggestions or variations?