Solid Black Background 3840x2160
Eight million pixels, one value: #000000 across all 8,294,400 of them, saved losslessly at 3840x2160. A solid black background at this size is not blacker than the smaller files — zero has no deeper setting — it is the UHD frame itself, the dimensions that 4K video masters, signage players and UHD canvases are built around.
Also searched as
Close relatives of this search are 4K solid black background, black solid background 3840x2160 and UHD solid black. For the same black at this size treated as a screen image — OLED televisions, dark desktops, monitor checks — see plain black background 3840x2160.
- Resolution
- 3840 × 2160
- Aspect
- 16:9
- Fits
- 4K monitors, TVs and high-end laptops
- Color
- #000000
- RGB
- 0, 0, 0
- Format
- PNG, lossless
- File size
- 1 KB
- License
- CC0, public domain
More Solid Black Background Sizes
Other Colors in 3840x2160
Opening and closing on black
Finished videos begin and end on black more often than on any other frame, and the joins inside them dip through it too — a cutaway to black is the one transition with no direction to get wrong. Working at UHD means those moments are 3840x2160 frames, and a solid black background as a still gives the edit its black on tap: drop it into the sequence, trim it to length, fade the neighboring clips toward it.
Stills have a quiet advantage over rendered black in long holds. Ten seconds on this image costs 1 KB; the same ten seconds as video becomes megabytes of frames that all say the same thing. Where the target medium takes pictures — title cards, intermission holds, gaps between program parts — the still file is the lighter way to deliver a solid black background.
Black as the default screen for signage
Display screens in pubs, lobbies and shop windows spend much of their lives between things: between menu pages, between playlist items, between opening hours and closing time. The color that fills those gaps is black, because it is the one ground every item arriving next can be laid on without clashing. A 4K panel running a playlist of stills, with a solid black background between them, settles between items rather than flashing.
A still is also the kindest thing a player can be asked to loop. Media players hold an image without decoding anything, there is no seam where a video would restart, and a 3840x2160 PNG of 1 KB crosses to the player faster than this sentence reads. For screens that run all day, the gaps between the content cost almost nothing to fill.
The same zero on every '4K' it meets
Many projectors and some displays sold as 4K reach 3840x2160 by pixel shifting — drawing the frame in more than one pass over a lower-count panel. For pictures with detail in them that is a compromise people argue about; for a solid black background it is nothing at all, because every pass writes the same zero. Whichever way a device builds its 4K, this file shows it the identical black.
That is the honest summary of what the extra pixels buy: not depth, but fit. A 1920x1080 black enlarged to fill a UHD frame looks exactly like this one, and the reason to take the 3840x2160 solid black background is bookkeeping — the asset, the sequence and the delivery all report the same four numbers, and nothing downstream has to ask what got stretched.
Questions
Does "4K" here mean 3840x2160 or 4096x2160?
3840x2160 — the consumer UHD frame. The slightly wider 4096x2160 is DCI 4K, a cinema standard; if a project truly needs it, this file is about six percent narrower, and a flat black stretches that gap invisibly.
Is a 1 KB file really 3840x2160?
Check it the way a skeptic would: open the file's properties or an info panel, and the dimensions read 3840x2160. A flat color is the one image that compresses to almost nothing, so a tiny PNG and a huge frame go together naturally.
Do 4K wallpapers slow down my PC?
Not this one. The file is 1 KB and shows a single color, so there is nothing to decode beyond a rectangle; wallpaper performance problems come from animated or slideshow backgrounds, not from a still image at any resolution.
How do I set it as a desktop background?
First download the PNG file to your device:
- Windows: Right-click the file and choose "Set as desktop background".
- macOS: Open System Settings → Wallpaper → choose the image from your Downloads folder.
- Android / iPhone: Save the image to your gallery, then set it from Photos / Gallery → the "Set as wallpaper" option.
Is it free for commercial use?
It is. The file is CC0 public domain: client work, signage installations and products you sell are all covered, with no attribution.
This background is CC0 (public domain) — free for any use, no attribution needed. See the License page.