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?