Here is a color palette focused on various shades of purple, designed to ensure a good contrast with black text.

json
{
  "palette_name": "Shades of Purple",
  "colors": [
    {
      "name": "Deep Purple",
      "hex_code": "
          
          #673AB7
       "
    },
    {
      "name": "Medium Purple",
      "hex_code": "
          
          #9C27B0
       "
    },
    {
      "name": "Lavender",
      "hex_code": "
          
          #E1BEE7
       "
    }
  ]
}

This palette includes deep purple, medium purple, and lavender. These shades create a cohesive look while maintaining visibility for black text.

Would you like to see more variations or perhaps combine purples with other colors?