Sure! Here’s a blue-themed color palette that complements your primary color #1d49a7 :

json
{
  "palette_name": "Blue Serenity",
  "colors": [
    {
      "name": "Deep Blue",
      "hex_code": "
                            
                            #1d49a7
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Azure",
      "hex_code": "
                            
                            #007FFF
                        "
    },
    {
      "name": "Light Steel Blue",
      "hex_code": "
                            
                            #B0C4DE
                        "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
                            
                            #001F3F
                        "
    }
  ]
}

This palette maintains a serene blue theme, featuring shades ranging from deep to light blues, creating a calming and cohesive look.

Would you like to see how this palette can be used in a specific project, or do you need any further adjustments?