Here is a color palette based on your request for a neutral gray dark mode palette with a slight blue tint.

json
{
  "palette_name": "Neutral Gray Dark Mode with Blue Tint",
  "colors": [
    {
      "name": "Dark Charcoal",
      "hex_code": "
          
          #222232
       "
    },
    {
      "name": "Light Silver",
      "hex_code": "
          
          #f2f2f9
       "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
          
          #4B4E5A
       "
    },
    {
      "name": "Blue Gray",
      "hex_code": "
          
          #6C728A
       "
    },
    {
      "name": "Cool Gray",
      "hex_code": "
          
          #A0A4B0
       "
    },
    {
      "name": "Stone Gray",
      "hex_code": "
          
          #B7B9C4
       "
    },
    {
      "name": "Steel Gray",
      "hex_code": "
          
          #8D9BB0
       "
    },
    {
      "name": "Pewter",
      "hex_code": "
          
          #B1B5C3
       "
    },
    {
      "name": "Cloud Gray",
      "hex_code": "
          
          #D6D9E0
       "
    },
    {
      "name": "Frost Gray",
      "hex_code": "
          
          #E8E9F0
       "
    }
  ]
}

This palette features a range of grays with subtle blue undertones, perfect for a sophisticated dark mode design.

Would you like to see variations of these colors or any specific application ideas for this palette?