Based on the color #1d5998 , here is a color palette that complements it well:

json
{
  "palette_name": "Ocean Breeze",
  "colors": [
    {
      "name": "Deep Sea Blue",
      "hex_code": "
          
          #1d5998
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #72b3e0
       "
    },
    {
      "name": "Coral Reef",
      "hex_code": "
          
          #ff6f61
       "
    },
    {
      "name": "Sandy Beach",
      "hex_code": "
          
          #f2d6b4
       "
    },
    {
      "name": "Seafoam Green",
      "hex_code": "
          
          #a8e6cf
       "
    }
  ]
}

Palette Description

The “Ocean Breeze” palette draws inspiration from the tranquility and beauty of the ocean. It features a deep sea blue as its anchor, complemented by lighter sky blue and a vibrant coral reef color. The sandy beach and seafoam green add a refreshing touch, making it perfect for designs that evoke a sense of calm and serenity.

What kind of project are you considering using this palette for?