The cinematic portfolio aesthetic traces back to the early days of Flash, when photographers first discovered they could make their websites feel like galleries. Sites like those built on Indexhibit (2006) and Cargo Collective (2009) codified the template: black background, grid of images, almost nothing else. The photographer's portfolio became the web's purest expression of "let the work speak."
The dark-background portfolio persisted through every design trend because it solved a real problem: images look better on black. Color science explains it — dark surrounds increase perceived contrast and saturation. Museums figured this out centuries ago. Photographers' websites just brought the gallery wall to the browser.
Modern implementations add cinematic language: letterbox aspect ratios borrowed from film, dramatic lighting gradients that suggest studio setups, and typography drawn from title cards and film credits. The aesthetic has evolved from "black background with images" to a full cinematic vocabulary — one that communicates not just that the work exists, but that it was created by someone who understands visual storytelling at every level, including the container it lives in.