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A background at 1920 × 1080

The commonest screen figure there is, on the canvas from the first frame. Two point one megapixels, drawn and saved at that size and no other.

radial gradient, two stops, violet to deep indigo, over a deep indigo ground. 1920 × 1080 pixels.

Output size

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Set the size in millimetres or inches
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A physical size is a claim about paper, so it needs the resolution beside it. At 300 DPI this canvas prints 162.6 by 91.4 millimetres.

2.1 megapixels

This route is the generator with the size decided. Every other dimension is still a field away, and the number keys move between the six presets without touching the design.

Fields that suit a screen

All forty

A centre and a falloff leaves the corners quiet, which is where icons stack and where a taskbar sits. These eight open at this size.

Why this figure earns a page

1920 by 1080 is the one dimension most people can say from memory, and it is asked for by name more than any other. It is the resolution of a mainstream desktop panel, the frame conferencing software wants, the canvas a slide deck exports at, and the size a video editor expects a still to arrive in.

Two point one megapixels is also a comfortable amount of work. The design is drawn in one pass, the export takes a moment rather than a wait, and a smooth ramp lands somewhere around a megabyte as a PNG with the dither on.

1920 × 1080 against the other screen figures
SizeMegapixelsAgainst 1920 × 1080
1366 × 7681.0half the pixels
1920 × 10802.1the baseline
2560 × 14403.71.8 times
3840 × 21608.3four times

Where the design should be quiet

A screen background is looked through rather than at. Whatever sits on top of it — icons, a dock, a window, a face in a call — needs somewhere with steady contrast to sit, and the commonest mistake in a generated background is putting the most interesting part of the frame exactly where the content goes.

The practical rule is to keep the region the content occupies within about one fifth of the lightness range, and let the frame do its moving elsewhere. A radial with its centre off to one side, or a linear ramp running corner to corner, both leave a large quiet area. A conic sweep does not, which is why it rarely makes a good desktop.

Two things this size will not fix

  1. Matching the number does not mean matching the panel. A screen at a scaling factor other than one, an external display set to a non-native resolution, or a phone showing a desktop image will all resample the file again after you have done everything right here.
  2. A file saved at 1920 by 1080 and then set as a lock screen, a call background or a slide fill is often re-encoded by that software at a quality you do not choose. Nothing at this end can prevent that; saving as PNG rather than JPG at least means the picture it starts from has no artefacts of its own.

Questions about this size

Is 1920 by 1080 still the right size for a desktop background?
For most screens in use, yes. It is the resolution of the largest share of panels sold in the last decade and the one every operating system handles without thinking. A higher-density laptop screen is usually 2560 by 1600 or 2880 by 1800 and will scale a 1920 image up by about a third, which on a smooth ramp is invisible. If the panel in front of you is 4K, make a 4K one instead; the key for it is 2.
Why does my wallpaper look slightly soft?
Almost always because the file is being scaled. A 1920 image on a 2560 panel is enlarged by 1.33, and the operating system does that with a resampler that smooths as it goes. Grain suffers most, ramps suffer least. Matching the panel exactly removes the scaling step entirely, which is the whole argument for naming the size rather than accepting a default.
What about the part hidden behind icons and a taskbar?
Nothing is hidden, strictly — the image is shown whole and things are drawn on top of it. What matters is contrast: a desktop icon has a light label and a dark outline, and both disappear over a mid-tone ramp. The safe pattern is to keep the top-left corner, where icons stack, near one end of the lightness range rather than in the middle of it.
Can I use this behind a video call?
Yes, and 1920 by 1080 is the size most conferencing software wants. Keep the middle of the frame quiet: a radial with its centre behind you, or a ramp running from a corner, both leave the area around a head flat, and flat is what stops compression artefacts crawling around your outline during a call.

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