Flag of Australia

CurrentSovereign stateISO AU · AUS

Colours

No official specification

No official source specifies these colours. The figures below are conventional values in wide use.

ColourHEXRGB
blue
#00008B0 0 139
Widely used approximation · See Australian Flags booklet (2024)
white
#FFFFFF255 255 255
Widely used approximation · Name from Flags Act 1953 (compilation, Act No. 1 of 1954 as amended)
red
#E4002B228 0 43
Widely used approximation · See Australian Flags booklet (2024)

Construction sheet

The Union Jack occupies the upper quarter next the staff, with a large white star below it and five white stars in the half of the flag further from the staff.

Proportion (height:length)
1:2
Commonwealth Star
Seven points; outer diameter 3/10 of the hoist; centre 1/4 of the hoist from the bottom edge, on the Union Jack's middle line
Southern Cross stars
Four seven-pointed stars 1/7 of the hoist across and one five-pointed star 1/12 across, placed as in Table B
Star points
Inner diameter 4/9 of outer diameter

Sources: Flags Act 1953 (compilation, Act No. 1 of 1954 as amended); Australian Flags booklet (2024)

Sources

  1. Flags Act 1953 (compilation, Act No. 1 of 1954 as amended). Commonwealth of Australia (Federal Register of Legislation), 14 Feb 1954. Accessed 4 Oct 2026.
  2. Australian Flags booklet (2024). Department of the Prime Minister and Cabinet, 18 Nov 2024. Accessed 4 Oct 2026.