What is vexillology?
Vexillology is the study of flags – their history, design, symbolism and use.
From national flags to regional banners and modern creations, vexillology explores how flags represent identity, culture and meaning across the world.
Flags are everywhere, flying above buildings, at events, in stadiums and on ships.
But behind every flag is a story.
Vexillology looks beyond the fabric to understand:
- why flags look as they do
- what their colours and symbols mean
- how they evolve over time
What is the origin of the word ‘vexillology’?
Vexillology is a word devised in the late 1950s by US vexillologist Whitney Smith, blending elements of Latin and Greek:
- a vexillum is a Roman military standard
- the Greek suffix –logia means study
Related words include: vexillologist (a student of flags), vexillography (flag design) and vexillographer.
Why do flags matter?
Flags are more than decoration. They are powerful symbols of:
- identity – representing nations, regions and organisations
- history – reflecting political, social and cultural change
- communication – conveying messages without words
A well-designed flag can unite people, tell a story and endure for generations.
A brief history of flags
Flags have been used for centuries, orginally as:
- military identifiers on the battlefield
- signals at sea
- symbols of authority and allegiance
What makes a good flag?
Good flag design follows a few key principles:
- simplicity – easy to recognise and reproduce
- meaningful symbolism – colours and shapes with a purpose
- limited colours – typically two to four strong, contrasting colours
- no letters, badges or seals – clarity is vital
- distinctiveness – easy to distinguish from other flags
These principles are widely used by designers and studied by vexillologists worldwide.
Vexillology today
Today, vexillology is a global field of interest bringing together historians, designers, researchers and enthusiasts.
It spans everything from academic research to modern flag design and public engagement.
Explore further
If you want to learn more, you can explore:
- flag design principles
- UK Flag Registry
- UK flag protocol and usage
- Union Flag or Union Jack? – its name, origins and specification
- UK flag flying days 2026
- our Crampton Library collections
- Flagmaster Index and more
Many of our resources and publications are available only to members.
Become a member to explore the full collection.

