Based on your primary color #f7f8ff , here is an interesting color palette:

json
{
  "palette_name": "Soft Serenity",
  "colors": [
    {
      "name": "Soft Lavender",
      "hex_code": "
          
          #e1d7f4
       "
    },
    {
      "name": "Pale Sky Blue",
      "hex_code": "
          
          #b3d1ff
       "
    },
    {
      "name": "Gentle Mint",
      "hex_code": "
          
          #b7f4e0
       "
    },
    {
      "name": "Creamy Peach",
      "hex_code": "
          
          #ffebd2
       "
    },
    {
      "name": "Warm Gray",
      "hex_code": "
          
          #d3d3d3
       "
    }
  ]
}

This palette combines soft and serene hues that harmonize well with your primary color, creating a calming and inviting atmosphere. Would you like to explore more colors or perhaps specific uses for this palette?