Osaka’s 2:3 city flag centers a yellow Miotsukushi emblem on a deep purple-blue field. The device recalls the channel markers that guided ships through the shallow waters of old Naniwa Bay.
Design structure
A single linear emblem occupies the center of the field. Its crossed upper strokes, horizontal cap, and central stem form Osaka’s stylized Miotsukushi waterway marker.
Display colors
HEX #1F2063 / asset screen valueHEX #FFD700 / asset screen valueConstruction notes
Use a 2:3 field and center the Miotsukushi within a notional circle measuring three-fifths of the hoist. Osaka’s current procurement schedule identifies the field as a dark purplish blue and the emblem as vivid yellow; it also calls for a narrow white outline on sewn production flags.
Historical record
Osaka selected the Miotsukushi as its city emblem in April 1894. The city connects the mark to channel signs once placed in Naniwa Bay and to the water transport and maritime trade that underpinned Osaka’s growth. The flag carries that established emblem as its sole charge.
Source trail
City of Osaka: city profile and emblem history ↗
Emblem selection and flag adoption
The supplied municipal history dates selection of the Miotsukushi city emblem to April 1894. This is an emblem-selection date, not an established adoption date for the municipal flag. The supplied record does not establish when the flag was adopted. The record code JP-OSA-CIV-1894 is preserved as imported; its 1894 suffix should not be used to infer a flag-adoption date or a period of flag use.
| Feature | Supplied municipal procurement specification | Local screen specimen |
|---|---|---|
| Proportions | 2:3 (hoist:fly). | The imported specimen is presented at 2:3. |
| Emblem placement and size | Center the Miotsukushi within a notional circle whose diameter measures three-fifths of the hoist. | The locally simplified artwork illustrates the centered device; use the municipal specification for production dimensions. |
| Outline | The supplied procurement details call for a narrow white outline on sewn production flags. | The locally simplified illustration should not be treated as a complete sewing or construction specification. |
| Colors | The supplied procurement description identifies a dark purplish-blue field and a vivid yellow emblem. | The imported display values are #1F2063 for the field and #FFD700 for the emblem. These screen values do not establish physical manufacturing color standards. |
| Artwork provenance | The municipal specification supplies production details. | The local asset is simplified from the Commons rendering: original raster by Kzaral; vector by Ch1902. The existing rights statement is preserved: public domain as a Japanese organizational work published before 1946; official-insignia caveat. |