Absolutely! Here’s a refined blue palette that stays closer to your primary color #1d49a7 , emphasizing similar shades:

json
{
  "palette_name": "Deep Blue Harmony",
  "colors": [
    {
      "name": "Deep Blue",
      "hex_code": "
                            
                            #1d49a7
                        "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
                            
                            #4169E1
                        "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
                            
                            #4682B4
                        "
    },
    {
      "name": "Dodger Blue",
      "hex_code": "
                            
                            #1E90FF
                        "
    },
    {
      "name": "Medium Blue",
      "hex_code": "
                            
                            #0000CD
                        "
    }
  ]
}

This palette features shades that are closely related to your primary color, creating a cohesive look while providing a range of tones from deep blue to lighter blues.

Do you have any specific applications in mind for this palette, or would you like to adjust it further?