Here’s a color palette that maintains a closer relationship with the primary color #028894 for a university Instagram account:

json
{
  "palette_name": "Teal Harmony Palette",
  "colors": [
    {
      "name": "Primary Teal",
      "hex_code": "
          
          #028894
       "
    },
    {
      "name": "Teal Blue",
      "hex_code": "
          
          #027B7C
       "
    },
    {
      "name": "Turquoise",
      "hex_code": "
          
          #40B7B1
       "
    },
    {
      "name": "Seafoam Green",
      "hex_code": "
          
          #A1D6D0
       "
    },
    {
      "name": "Soft White",
      "hex_code": "
          
          #F4F9F9
       "
    }
  ]
}

Palette Description:

This palette is built around the primary teal color, creating a harmonious and cohesive look. The teal blue and turquoise colors provide a gradient effect that maintains a fresh and modern aesthetic. Seafoam green adds a subtle lightness, enhancing the overall calming vibe. Soft white serves as a neutral background, ensuring that the other colors pop without overwhelming the viewer.

Would you like to refine this palette further or explore another theme?