Graphic design tips for social media posts

On social media, your graphic has about as long as it takes someone to flick their thumb to make an impression. If the message is not clear in that moment, the post disappears into the feed, however good the offer behind it.

The good news is that you do not need to be a trained designer to make better social graphics. Most improvements come from a few simple habits: saying less, making the important thing obvious and staying consistent. These tips are written for small business owners and in-house teams who create their own posts.

Why social media graphics need a different approach

Designing for social is not the same as designing a poster or a brochure. A few things make it unusual:

• It is viewed small. Most people see your post on a phone, often at arm's length, sometimes in bright light.
• It is viewed fast. People are scrolling, not reading. Your graphic competes with friends' photos, news and video.
• It is cropped. The same image may appear in a feed, a profile grid and a link preview, each with a different crop.
• It is repeated. You publish often, so consistency across dozens of posts matters more than any single masterpiece.

Good social graphics respond to all four.

Start with one clear message

Before opening any design tool, finish this sentence: "This post is for (audience) and should make them (action)." If you cannot finish it, the graphic will probably try to do too much.

Then decide what goes in the graphic and what goes in the caption:

The graphic's job is to stop the scroll and signal what the post is about. The caption does the rest.

Build a clear visual hierarchy

Hierarchy is the order in which someone's eye moves across the design. On social, aim for a simple three-step path:

1. The hook. The largest, boldest element, usually a headline or striking image.
2. The supporting detail. A short line, price or date in a smaller size.
3. The brand and action. Your logo and a simple prompt, kept small and placed consistently.

Use size, weight, colour and position to enforce this order. If your logo, headline and three bullet points are all fighting for attention, viewers will take in none of them.

Use white space on purpose

Empty space around your headline makes it easier to read and makes the whole post look more confident. Resist filling every corner. Keep important text and logos away from the very edges, because platforms often overlay buttons, usernames or captions there.

Keep text short and readable

Text-heavy graphics are hard to read on a phone, and people rarely stop for them. A few practical rules:

• Cut the word count. Aim for a headline and, at most, one short supporting line.
• Use large sizes. If you have to zoom in on your phone to read it, it is too small.
• Limit fonts. One typeface for headlines and one for supporting text is plenty, ideally your brand fonts.
• Avoid thin and script fonts for anything important. They break down at small sizes.
• Watch line length. Short lines of a few words are easier to scan than long ones running edge to edge.
• Check spelling twice. A typo in a graphic is harder to fix than one in a caption, and more visible.

For carousels, give each slide one idea. A clear headline on every slide helps people who swipe quickly still follow the story.

Use colour and contrast with intent

Colour is one of the fastest ways to make your posts recognisable. Rather than picking new colours for every post, work from your brand palette:

• One main colour that dominates most posts and becomes associated with you.
• One accent colour reserved for highlights, such as prices or calls to action.
• Neutrals for backgrounds and body text.

Contrast is just as important as colour choice. Dark text on a light background, or white text on a deep colour, is easy to read. Mid-tone text on a mid-tone background is not. When you place text over a photo, add a solid panel, a gradient or a darkened area behind the words so they stay legible.

Size and format for each platform

Each platform displays images differently, and the specifications change from time to time, so check each network's own help pages before a big campaign. As a general guide, these formats are widely used:

A few practical points:

• Portrait formats take up more screen space in mobile feeds, which can help a post stand out.
• Design inside a safe zone. Keep key text and logos away from the top and bottom of vertical formats, where profile names and buttons appear.
• Check the profile grid. Profile grids can crop your feed posts differently from how they appear in the feed, so preview how each post looks in both places.
• Export carefully. Use PNG for graphics with text and flat colour, and high-quality JPG for photographs.

Stay consistent with templates

Consistency is what turns a series of posts into a recognisable brand. The easiest way to achieve it is a small set of templates for the posts you make most often, for example:

• Announcements and news, such as new services or opening hours.
• Quotes and testimonials, with a consistent layout for the customer's words.
• Tips or educational posts, often as carousels.
• Offers and events, with a fixed spot for dates and prices.
• Behind-the-scenes photos, with a light branded frame or caption bar.

Each template should lock in your fonts, colours, logo position and margins, while leaving room for the content to change. Having a professional designer create the core templates once, then filling them in yourselves, is often the best balance of quality and cost. Our graphic design team regularly sets up template kits like this for clients.

Use imagery that feels like you

Stock photos are useful, but the same images appear on thousands of other accounts. Where you can, use your own photography: your team, your work, your premises, your products. Even well-lit phone photos often outperform generic stock because they feel genuine. Apply a consistent editing style so your photos look like they belong together.

Design for accessibility

Accessible graphics reach more people and tend to be clearer for everyone.

• Add alt text to your images. Most major platforms let you write a short description for people using screen readers.
• Do not put essential information only in the image. Repeat key details, such as dates or prices, in the caption.
• Check contrast between text and background. Guidance such as the W3C's contrast advice is a useful benchmark.
• Do not rely on colour alone to convey meaning, for example red for "sold out".
• Add captions to video and keep on-screen text on screen long enough to read.
• Use emojis sparingly in text overlays and captions, as screen readers read each one aloud.

Common mistakes to avoid

A quick list of the problems we see most often:

1. Too much text crammed into one graphic.
2. A different colour scheme and font in every post.
3. Logos that are oversized or placed differently each time.
4. Low-resolution or blurry images.
5. Text placed over busy photos without a background panel.
6. Important details cut off by platform crops or buttons.
7. Designs only ever checked on a large desktop monitor.

Before you press publish, run through a short checklist: is the message clear in two seconds, is the text readable on a phone, is it on-brand, is it the right size, and have you added alt text? Thirty seconds of checking prevents most of these mistakes.

FAQs

What makes a good social media graphic?

A good social graphic communicates one clear message quickly, uses strong contrast and readable text, follows your brand style and is sized correctly for the platform it appears on.

How much text should be on a social media post image?

As little as possible. A short headline and perhaps one supporting line is usually enough. Put longer explanations, terms and links in the caption.

What is the best size for social media graphics?

It depends on the platform and format. A 1080 x 1350 portrait image works well in many feeds, and 1080 x 1920 suits Stories and Reels. Always check each platform's current guidance.

Should I use templates for social media posts?

Yes. Templates save time and keep your posts consistent, which helps people recognise your brand. Aim for a handful of well-designed templates rather than dozens.

Do I need a professional designer for social media graphics?

Not for every post. Many businesses get a designer to create a brand template kit once, then produce day-to-day posts in-house using those templates.

If you want social graphics that look consistent and are quick for your team to produce, book a call and we can talk about a template kit that suits your brand.