Based on your input color #26505E , here is a color palette that complements it:

json
{
  "palette_name": "Oceanic Serenity",
  "colors": [
    {
      "name": "Deep Sea Blue",
      "hex_code": "
          
          #26505E
       "
    },
    {
      "name": "Coral Reef",
      "hex_code": "
          
          #FF6F61
       "
    },
    {
      "name": "Sand Dune",
      "hex_code": "
          
          #D5BFA1
       "
    },
    {
      "name": "Wave Crest",
      "hex_code": "
          
          #A0D6D3
       "
    },
    {
      "name": "Sunset Glow",
      "hex_code": "
          
          #FFB74D
       "
    }
  ]
}

Palette Description:

The “Oceanic Serenity” palette captures the tranquil essence of the ocean. It pairs the deep, calming blue of the sea with warm coral tones, sandy neutrals, and a refreshing aqua. This palette is perfect for designs that want to convey a sense of calmness and organic beauty, reminiscent of coastal landscapes.

What kind of project are you thinking of using this color palette for?