Here is a color palette featuring dark brown shades:

json
{
  "palette_name": "Marrom Escuro",
  "colors": [
    {
      "name": "Dark Chocolate",
      "hex_code": "
                            
                            #3E2723
                        "
    },
    {
      "name": "Saddle Brown",
      "hex_code": "
                            
                            #8B4513
                        "
    },
    {
      "name": "Chestnut Brown",
      "hex_code": "
                            
                            #4E3B31
                        "
    }
  ]
}

This palette showcases deep, rich brown tones like dark chocolate and saddle brown, perfect for creating a warm and robust ambiance.

Are you looking to use these colors in a specific context, such as interior design, branding, or something else?