Here is a color palette inspired by dark blue tones along with complementary colors:

json
{
  "palette_name": "Dark Blue Dream",
  "colors": [
    {
      "name": "Midnight Blue",
      "hex_code": "
                            
                            #191970
                        "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
                            
                            #4169E1
                        "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
                            
                            #4682B4
                        "
    },
    {
      "name": "Light Slate Gray",
      "hex_code": "
                            
                            #778899
                        "
    },
    {
      "name": "Cadet Blue",
      "hex_code": "
                            
                            #5F9EA0
                        "
    }
  ]
}

This palette features various shades of blue, from deep midnight blue to brighter royal blue, complemented by gray and teal tones for balance.

Do you have any specific preferences or additional colors you’d like to include in this palette?