Here is a color palette focused on different shades of blue:

json
{
  "palette_name": "Varied Shades of Blue",
  "colors": [
    {
      "name": "Cerulean Blue",
      "hex_code": "
          
          #007BA7
       "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
          
          #4682B4
       "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
          
          #4169E1
       "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
          
          #000080
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    }
  ]
}

This palette showcases a variety of blue tones, offering a blend of vibrant and subdued shades. Is there a specific application you have in mind for these colors, or would you like to know more about any particular shade?