Here is a color palette inspired by the theme “blue cold”:

json
{
  "palette_name": "Frosty Blues",
  "colors": [
    {
      "name": "Ice Blue",
      "hex_code": "
                            
                            #A3C1DA
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Deep Sea Blue",
      "hex_code": "
                            
                            #003B5C
                        "
    },
    {
      "name": "Frostbite",
      "hex_code": "
                            
                            #9EC1DB
                        "
    },
    {
      "name": "Midnight Blue",
      "hex_code": "
                            
                            #003366
                        "
    }
  ]
}

This palette features various shades of blue that evoke a cold and refreshing atmosphere, perfect for designs that need a tranquil and serene aesthetic. Would you like to explore more palettes or specific color combinations?