Here is a color palette with 10 shades of blue:

json
{
  "palette_name": "Shades of Blue",
  "colors": [
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Dodger Blue",
      "hex_code": "
          
          #1E90FF
       "
    },
    {
      "name": "Cornflower Blue",
      "hex_code": "
          
          #6495ED
       "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
          
          #4682B4
       "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
          
          #4169E1
       "
    },
    {
      "name": "Medium Slate Blue",
      "hex_code": "
          
          #7B68EE
       "
    },
    {
      "name": "Cyan",
      "hex_code": "
          
          #00FFFF
       "
    },
    {
      "name": "Light Blue",
      "hex_code": "
          
          #ADD8E6
       "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
          
          #000080
       "
    },
    {
      "name": "Dark Blue",
      "hex_code": "
          
          #00008B
       "
    }
  ]
}

This palette features a wide range of blue shades, from light and airy to deep and rich tones, perfect for various design applications. Do you have a specific project in mind for these shades, or would you like to explore more colors?