Again - check out blue wall and beige sofa - and this blue is darker and closer to your original blue - I think it would look great: Blue paint color Seaworthy by Sherwin Williams. Perfect for living room accent wall.
Palladian Blue, Aegean Teal and Natural Choice received a lot of feedback from Jenny’s palette that readers have used and love Sea Salt by Sherwin Williams. Next to Palladian Blue, Sea Salt is another really popular and favorite color of readers.
Mindful Gray for the main house walls; Sea Salt & Rainwashed in the spare bedrooms. I personally find Rainwashed too bright; Sea Salt is quite light, too. Comfort Gray is between Sea Salt and Oyster Bay
This Benjamin Moore Beach Glass-pale, gray-blue that is soft and soothing will be the color of the walls in the master bedroom. And to keep things simple that will also be the color in the rest of the rooms throughout the house.