Here is a color palette inspired by your request for light blues that are icy yet royal:

json
{
  "palette_name": "Icy Royal Blues",
  "colors": [
    {
      "name": "Ice Blue",
      "hex_code": "
          
          #A4D8E1
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #87CEEB
       "
    },
    {
      "name": "Royal Blue",
      "hex_code": "
          
          #4169E1
       "
    },
    {
      "name": "Powder Blue",
      "hex_code": "
          
          #B0E0E6
       "
    },
    {
      "name": "Light Steel Blue",
      "hex_code": "
          
          #B0C4DE
       "
    }
  ]
}

Palette Description

The “Icy Royal Blues” palette consists of a harmonious blend of soft, light blues that evoke feelings of calm and elegance. The colors range from the cool tones of Ice Blue and Powder Blue to the more vibrant shades of Sky Blue and Royal Blue, creating a refreshing yet regal atmosphere.

Would you like to explore more color palettes or perhaps have a specific application in mind for this palette?