Here is a color palette based on your request for bright purple and gray:

json
{
  "palette_name": "Purple & Gray Elegance",
  "colors": [
    {
      "name": "Bright Purple",
      "hex_code": "
                            
                            #A200B5
                        "
    },
    {
      "name": "Cool Gray",
      "hex_code": "
                            
                            #A7A8AA
                        "
    }
  ]
}

This palette combines a vibrant bright purple with a sleek cool gray, making it suitable for a modern and elegant logo design.

Would you like any additional colors or variations for your logo?