Here’s a color palette that would work well for professional services online. It combines trust, professionalism, and modernity.

json
{
  "palette_name": "Professional Services",
  "colors": [
    {
      "name": "Navy Blue",
      "hex_code": "
                            
                            #002D72
                        "
    },
    {
      "name": "Cool Gray",
      "hex_code": "
                            
                            #A7A8AA
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Charcoal",
      "hex_code": "
                            
                            #36454F
                        "
    },
    {
      "name": "White Smoke",
      "hex_code": "
                            
                            #F5F5F5
                        "
    }
  ]
}

This palette includes a strong navy blue for authority, a cool gray for professionalism, a soft sky blue for approachability, a dark charcoal for sophistication, and a white smoke for cleanliness and clarity.

What kind of professional services are you focusing on? Would you like any specific colors or themes to be included?