how to discrib the flag of sweeden

The flag of Sweden is blue with a yellow Scandinavian cross that extends to the edges of the flag. The design and colours of the Swedish flag are believed to have been inspired by the present Coat of arms of Sweden of 1442, which is blue divided quarterly by a cross pattée of gold, and modelled on the Danish flag. Blue and yellow have been used as Swedish colours at least since king Magnus Birgersson's royal coat of arms of 1275.

State flag and civil ensign
The dimensions of the Swedish flag are 5:2:9 horizontally and 4:2:4 vertically. The dimensions of the Swedish flag with a triple-tail are 5:2:5:8 horizontally and 4:2:4 vertically. The colours of the flag are officially established through the Natural Color System to be NCS 0580-Y10R for the shade of yellow, and NCS 4055-R95B for the shade of blue.The Swedish law doesn't regulate the design of the Swedish pennant, but it's recommended that its colour scheme should correspond with that of the flag. The