Ryu

Ryu is a clutter-free theme for personal bloggers. It has great readability with a large font size, and the one-column layout is perfect for displaying large images. Optional widgets are located at the top panel with social media links and a search field. Background color for an image post will automatically match the uploaded image in the post.

Radcliffe

A theme for bloggers who want their content to take center stage. Radcliffe features responsive design, retina-ready assets, full width header images, beautiful design and typography, Block Editor support, support for custom logo, support for custom accent color, three widget areas, and editor styles. Demo: https://andersnoren.se/themes/radcliffe/