Flag of East Turkestan
The flag of East Turkestan, often referred to as the East Turkestan flag and also known as Kökbayraq, was the national flag of the First East Turkestan Republic. It substituted the old flag with blue crescent on white background and Shahada, that was adopted on 12 November 1933, during Declaration of the Turkish Islamic Republic of East Turkestan, when Khoja Niyaz retreated from Aksu from advancing Dungans and came to Kashgar with 1,500 troops to assume the Presidency of East Turkestan Republic on 13 January 1934.
Usage
In modern times it is popularly used as a symbol of the East Turkestan independence movement. It was used by Uyghur activists in protests involving China’s reeducation camp system in Xinjiang.The star and the moon on the flag of East Turkestan represents Islam and the blue represents the sky.
Colors
In a RGB colour space, the blue of the East Turkestan flag is composed of 101/183/255 ; in hexadecimal colour code #65B7FF. In a CMYK colour space, it is composed of 58% cyan, 19% magenta, 0% yellow and 0% black.Dimensions
| Letter | Measure | Length |
| G | Width | |
| A | Distance between the centre of the outer crescent and the seam of the white band | G |
| B | Diameter of the outer circle of the crescent | G |
| C | Distance between the centres of the inner and outer circles of the crescent | G |
| D | Diameter of the inner circle of the crescent | G |
| E | Distance between the inner circle of the crescent and the circle around the star | G |
| F | diameter of the circle around the star | G |
| L | Length | G |
| M | Width of the white hem at the hoist | G |