The flag of the Azerbaijan Soviet Socialist Republic was a plain red flag with a golden hammer and sickle and a gold-bordered red star in its upper canton and an horizontal dark blue band on the bottom fourth, representing the Caspian Sea.
The last version of the flag of the Azerbaijan SSR was firstly introduced by K.M.A. Kyazimzade, director of the Azerbaijan State Museum of Art, and was officially adopted as national flag by the decree of the Presidium of the Supreme Soviet of the Azerbaijan SSR on October 7, 1952. Definition was as follows:
The text of national flag in the Constitution of the Azerbaijan SSR was updated on 18 August 1953. However, the text didn't specify the proportion of the hammer and sickle. On 5 May 1956, the Presidium of the Supreme Soviet of the Azerbaijan SSR approved the "Regulations on the State flag of the Azerbaijan Soviet Socialist Republic", which further regulated the details of the elements on the flag. On 16 March 1981, the Presidium of the Supreme Soviet of the Azerbaijan SSR further issued a decree specify that no hammer and sickle should be printed on the reverse side of the flag.
Color scheme
{| class=wikitable width=60% style="text-align:center;"
|-
! 40px<br>Colors scheme
! style="background:#00309A; width:100px; color:white;"| Blue
! style="background:#CE0000; width:100px; color:white;"| Red
! style="background:#FFD840; width:100px; color:black;" | Yellow
|-
| CMYK || 100-68-0-39 || 0-100-100-19 || 0-15-100-0
|-
|HEX
|#00309A
|#CE0000
|#FFD800
|-
|RGB
|0-38-154
|206-0-0
|255-216-0
|}
History
From the second part of 1921 to 1922, the Azerbaijan SSR used a red flag with the yellow Cyrillic characters АССР (ASSR).