Colours
Always use the FCDO and GOV.UK colour palette.
Main Colours
$fcdo-colour-1
#012069
$fcdo-colour-2
#407ec9
$fcdo-colour-3
#c8102e
$fcdo-colour-4
#833177
$fcdo-colour-5
#5cb8b2
$fcdo-colour-6
#eaaa00
$fcdo-colour-7
#c8c9c7
$fcdo-colour-8
#00b140