Vexillological description
It is a rectangular field with a 2:3 ratio, in very dark purple and plain, with a single golden circle in the centre of the field.
- Field (the cloth)
- aubergine purple, with no divisions.
- Circle
- golden, centred on the field.
- Drawing
- the kanji 岡 bent until it closes into a circle.
- Colours
- purple and gold.






