
According to LOGO.com data, the five most popular colors in lock logos created on LOGO.com over the past 12 months were white at 27%, black at 19%, blue at 11%, green at 10%, and grey at 10%. White and black create the strongest sense of clarity and protection for a lock brand, while blue, green, and grey can suggest trust, access, and dependable hardware. For a lock logo that feels secure on storefronts, service vans, and digital profiles, start with a crisp white or dark base and use one clear accent to make the mark easy to recognize.
When it comes to the icon, a padlock is the clearest starting point because its silhouette communicates security even at a small size, and a keyhole beside it can add a precise technical detail without crowding the mark. A key beside the lock creates a useful sense of access and can be drawn with a simple angular shaft. For a modern security service, try a shield beside the lock, a fingerprint beside the shackle, or a bolt beside the body to suggest protection and smart entry. A door handle, access card, or safe dial can support a hardware brand, while a bridge or home outline beside the lock can connect security to property and peace of mind. Before choosing, think about the customer story: a locksmith may favor a key and lock, a property manager may use a door handle, and a digital access company may lean toward a fingerprint or access card.
That same focus on clarity should guide the lettering. According to LOGO.com data, sans serif typefaces made up 65% of font choices in those same lock logos over the past 12 months, followed by display at 17%, serif at 13%, and handwriting at 5%. The leading individual choices were Geologica at 15%, Afacad at 6%, Open Sans at 5%, Schibsted Grotesk at 5%, and Inria Serif at 3%. Set sturdy letterforms against the strongest contrast from the first paragraph so the lock name feels trustworthy, stays legible on hardware, and remains clear at small sizes.