You design a cover at 3000 by 3000 pixels, but most listeners meet it at the size of a fingernail. If it works there, it works everywhere. If it only works full screen, most people will never really see it.
Where your cover is actually seen
Think about the moments when someone notices your release:
- a row in a playlist, next to dozens of other covers
- search results, where your song sits beside others with similar names
- the small player bar at the bottom of an app while the song is playing
- the lock screen, a smartwatch, a car display
- a link preview in a messenger or a sticker in a story
In almost all of these, the cover is a small square on a busy screen, often in dark mode. The large version appears only after someone has tapped, which means you already have their attention.
One subject, one idea
A detailed collage that looks rich at full size turns into mud when it shrinks. The eye needs one thing to hold on to: a face, an object, a shape, a single word.
Say Lalə Nova is designing the cover for "Yay gecəsi". A photo of a whole beach party with twenty people looks lively on a laptop, but in a playlist row it becomes a blur of skin tones and sand. A single figure against a dark blue sky with a bright moon reads instantly, even as a thumbnail.
Some practical rules:
- Make the main subject big. If it fills only a small corner of the frame, it will disappear.
- Use large shapes with clear edges. Fine textures and thin lines vanish first.
- Leave some empty space around the subject so it can breathe.
Contrast does the heavy lifting
Contrast is mostly about light and dark, not about colour. Red and green, or blue and purple, can look different at full size but merge into one dull patch when small, and for people with colour vision differences.
A quick check: turn the image black and white. If the main subject still stands out, the contrast is working. If everything becomes the same middle grey, you need more separation between light and dark areas.
Also think about the background the cover sits on. Many people use apps in dark mode, others in light mode. A very dark cover can melt into a dark interface. You do not need a frame, but make sure the subject separates from both kinds of background.
Text: big or none
Text on a cover is optional. The artist name and the title already appear next to the cover in every app, so the artwork does not have to repeat them.
If you do use text:
- keep it short, one or two words if possible
- make it large and bold, not thin script or small capitals
- give it strong contrast with what is behind it
- make sure it matches the metadata exactly, letter for letter
That last point matters for review. A cover that shows one title while the metadata says another is a common reason for a release to be returned. Stores also usually reject covers with website addresses, social media handles, platform logos, prices or phrases like "out now".
The technical part
For CULT, the cover is a JPG of exactly 3000 × 3000 pixels. Start from a high-resolution source. Upscaling a small image to that size makes it soft and blurry, and reviewers notice. Save in RGB, the normal colour mode for screens, and check that nothing important has been cropped.
Some apps round the corners of covers or place buttons and labels over them. Keep key details, especially text, away from the very edges.
The five-minute thumbnail test
Before you finalise the cover, run this test. It takes five minutes and catches most problems.
- Export a copy about 100 pixels wide, or zoom out until it is the size of a fingernail on screen.
- Take a screenshot of a popular playlist in your genre and place your cover among the others.
- Look from arm's length. Can you tell what it is within a second?
- Convert it to black and white and check again.
- Look at it on a dark background and on a white one.
- Show it on a phone to someone who has not heard the song, and ask what they see.
If it fails, simplify. Remove one element, make the main subject larger, push the contrast or drop the text. Then test again. Often the second or third version is the one that works small and still looks good large.