Here is a color palette based on your query for medium contrast colors featuring Shiraz, Persian Blue, and Red:

json
{
  "palette_name": "Shiraz & Blue",
  "colors": [
    {
      "name": "Shiraz",
      "hex_code": "
          
          #9B1B30
       "
    },
    {
      "name": "Persian Blue",
      "hex_code": "
          
          #1C3F95
       "
    },
    {
      "name": "Red",
      "hex_code": "
          
          #FF0000
       "
    }
  ]
}

This palette combines the deep, rich tones of Shiraz and Red with the vibrant, calming hue of Persian Blue, creating a striking medium contrast that can be used effectively in various design applications.

Would you like to explore more about color combinations or have any specific applications in mind for this palette?