Here is a color palette that includes both dark and light shades to complement the color #dcd0ff :

json
{
  "palette_name": "Balanced Lavender",
  "colors": [
    {
      "name": "Lavender Mist",
      "hex_code": "
                            
                            #dcd0ff
                        "
    },
    {
      "name": "Deep Purple",
      "hex_code": "
                            
                            #4b0082
                        "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
                            
                            #708090
                        "
    },
    {
      "name": "Light Lavender",
      "hex_code": "
                            
                            #e6e6fa
                        "
    },
    {
      "name": "White Smoke",
      "hex_code": "
                            
                            #f5f5f5
                        "
    }
  ]
}

This palette contains a mix of deep and muted colors alongside lighter shades to create a balanced and visually appealing combination. The deep purple and slate gray add depth, while light lavender and white smoke provide brightness.

Would you like any additional variations or specific shades?