Here is a color palette based on your request for 7 distinctive colors excluding blue, along with 3 blue variants:

json
{
  "palette_name": "Distinctive Colors with Blue Variants",
  "colors": [
    {
      "name": "Crimson Red",
      "hex_code": "
                            
                            #DC143C
                        "
    },
    {
      "name": "Golden Yellow",
      "hex_code": "
                            
                            #FFD700
                        "
    },
    {
      "name": "Emerald Green",
      "hex_code": "
                            
                            #50C878
                        "
    },
    {
      "name": "Violet Purple",
      "hex_code": "
                            
                            #8A2BE2
                        "
    },
    {
      "name": "Orange",
      "hex_code": "
                            
                            #FFA500
                        "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
                            
                            #708090
                        "
    },
    {
      "name": "Maroon",
      "hex_code": "
                            
                            #800000
                        "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
                            
                            #87CEEB
                        "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
                            
                            #4169E1
                        "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
                            
                            #000080
                        "
    }
  ]
}

This palette features a variety of vibrant and distinctive colors. The first seven colors are chosen to provide a broad spectrum, while the last three are different shades of blue to meet your requirement.

Is there anything specific you would like to do with this color palette?