Here is a futuristic sci-fi color palette that complements the background color #1D0C31 , featuring primarily cool tones such as blues, purples, and pinks:

json
{
  "palette_name": "Futuristic Sci-Fi",
  "colors": [
    {
      "name": "Nebula Blue",
      "hex_code": "
          
          #1E90FF
       "
    },
    {
      "name": "Cosmic Purple",
      "hex_code": "
          
          #6A5ACD
       "
    },
    {
      "name": "Galaxy Pink",
      "hex_code": "
          
          #FF69B4
       "
    },
    {
      "name": "Starlight Silver",
      "hex_code": "
          
          #C0C0C0
       "
    },
    {
      "name": "Deep Space Teal",
      "hex_code": "
          
          #008080
       "
    }
  ]
}

This palette features vibrant and ethereal colors that evoke a sense of the cosmos and futuristic technology. The cool tones create a harmonious balance with the deep background color, enhancing the overall visual appeal.

Would you like to explore more color options or themes for your design?