Here is a color palette suitable for a graphic design brand logo:

json
{
  "palette_name": "Creative Vibes",
  "colors": [
    {
      "name": "Electric Blue",
      "hex_code": "
                            
                            #0056B3
                        "
    },
    {
      "name": "Vibrant Orange",
      "hex_code": "
                            
                            #FF6F20
                        "
    },
    {
      "name": "Bright Yellow",
      "hex_code": "
                            
                            #FFEB3B
                        "
    },
    {
      "name": "Cool Gray",
      "hex_code": "
                            
                            #B0BEC5
                        "
    },
    {
      "name": "Deep Purple",
      "hex_code": "
                            
                            #6A1B9A
                        "
    }
  ]
}

This palette combines vibrant colors that evoke creativity and energy, making it ideal for a graphic design brand. The Electric Blue and Vibrant Orange provide eye-catching contrast, while the Bright Yellow adds a cheerful touch. The Cool Gray serves as a neutral balance, and the Deep Purple adds depth and sophistication.

What specific vibe or message are you looking to convey with your brand logo?