The flag of Aargau consists of 2 equal, vertical bars; one is black while the other one is blue which divides the flag. On the left side is a black background and 3 wavy stripes in the middle, however on the right side, it consists of a light blue background with three, five-pointed stars with outlines arranged in an equilateral triangle. It has proportions of 1:1, the same as Switzerland which it is a part of.
Symbolism[]
The black side of the flag represents the rich, fertile grounds of Aargau, through which flows the Aare, the Reuss, and the Limmat. The gaps between them depicts the over Reuss and Limmat flowing into the River Aare. On the other side, the three stars symbolises the three major regions that make up the county: County of Baden, Fricktal and the Three Bailies. The blue represents the sky.
Flag Colors[]
Color | Color Name | HEX | RGB | CMYK | Color of |
---|---|---|---|---|---|
Blue | #258ACC | 37, 138, 204 | 82% 32% 0% 20% | Background of right portion | |
White | #FFFFFF | 255, 255, 255 | 0% 0% 0% 0% | 3 stars and the waves | |
Black | #000000 | 0, 0, 0 | 0% 0% 0% 100% | Background of left portion |
History[]
March 1798 - 1905[]
Until the 22nd of March, Aargau was a dependency of the Bern Canton but 22 March 1798 – 12 April 1798 an independent state. On March 1798, the plain green flag was a de facto civil flag and possible state flag of Aargau. The proportions of this flag are lost to time.
Flag Colours[]
Color | Color Name | HEX | RGB | CMYK | Color of |
---|---|---|---|---|---|
Green | #009900 | 0, 153, 0 | 100% 0% 100% 40% | Background |
- This flag was created on the 22nd March 1798 and lasted until 1905.
April 1798[]
This flag is a red-white-black tricolour was used as a civil flag and probable state flag of short-lived independent state. The proportions and colour shades of these two flags are either unknown or unspecified.
Flag Colors[]
Color | Color Name | HEX | RGB | CMYK | Color of |
---|---|---|---|---|---|
Red | #FE0000 | 254, 0, 0 | 0% 100% 100% 0% | Top strip of the flag | |
White | #FFFFFF | 255, 255, 255 | 0% 0% 0% 0% | Middle strip of the flag | |
Black | #000000 | 0, 0, 0 | 0% 0% 0% 100% | Bottom strip of the flag |
- The flag was created on the 26th March 1798 and Relinquished on the 12th April 1798.
1803-1905[]
The only difference with the modern flag is that the stars are in a rearranged position.
- After 1905, Aargau did not have an official flag until 1930 when the present day flag was adopted.
Variations[]
Three Costies Variation[]

Sometimes, the Aargau flag is flown with a dark blue background - which replaces the light blue one - and there are four waves instead of three. has the same proportions of 1:1.
Flag Colors[]
Color | Color Name | HEX | RGB | CMYK | Color of |
---|---|---|---|---|---|
Dark blue | #0000FF | 0, 0, 255 | 100% 100% 0% 0% | Background of right portion | |
White | #FFFFFF | 255, 255, 255 | 0% 0% 0% 0% | 3 stars and the waves | |
Black | #000000 | 0, 0, 0 | 0% 0% 0% 100% | Background of left portion |
Color Variation[]

A simple rectangular cantonal flag, as shown in Proben Kannik's works. Two equal, vertical bars of black and blue, but its proportions are unknown. It is also known as Farbenfahne in German and has the same exact shades as the normal flags.
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