Based on your request for a medium contrast university typographic poster with three colors, here is a suggested color palette:

json
{
  "palette_name": "University Spirit",
  "colors": [
    {
      "name": "Crimson Red",
      "hex_code": "
          
          #C72C41
       "
    },
    {
      "name": "Navy Blue",
      "hex_code": "
          
          #002D72
       "
    },
    {
      "name": "Gold",
      "hex_code": "
          
          #D5A75D
       "
    }
  ]
}

Palette Description:

This color palette, named “University Spirit,” features a bold Crimson Red, a deep Navy Blue, and a warm Gold. These colors create a striking contrast suitable for a university typographic poster, conveying energy and sophistication without the use of black or white.

Would you like to see different variations of this palette or more color options?