Here is the color palette based on your provided colors:

json
{
  "palette_name": "Earthy Tones",
  "colors": [
    {
      "name": "Brown",
      "hex_code": "
                            
                            #8B4513
                        "
    },
    {
      "name": "Sepia",
      "hex_code": "
                            
                            #8B7355
                        "
    },
    {
      "name": "Dark Coffee",
      "hex_code": "
                            
                            #2F1B0C
                        "
    },
    {
      "name": "Charcoal",
      "hex_code": "
                            
                            #36454F
                        "
    },
    {
      "name": "Plum",
      "hex_code": "
                            
                            #5D3954
                        "
    }
  ]
}

This palette combines rich, earthy colors that evoke a natural and warm atmosphere. It can be used in various design projects that require a grounded and organic aesthetic.

Would you like suggestions on how to use this color palette, or do you have other specific queries in mind?