Here is a color palette inspired by the term “голубовато-серый” (bluish-gray):

json
{
  "palette_name": "Bluish Gray",
  "colors": [
    {
      "name": "Light Blue Gray",
      "hex_code": "
                            
                            #A3B1C6
                        "
    },
    {
      "name": "Steel Blue",
      "hex_code": "
                            
                            #4682B4
                        "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
                            
                            #708090
                        "
    },
    {
      "name": "Pale Gray",
      "hex_code": "
                            
                            #D3D3D3
                        "
    },
    {
      "name": "Cadet Blue",
      "hex_code": "
                            
                            #5F9EA0
                        "
    }
  ]
}

This palette features a range of bluish-gray shades that evoke a calm and serene atmosphere. Would you like to know more about how to use these colors in your designs, or do you have another color theme in mind?