β
Ultramarine
#0400b8

#0400b8
Primary red
04₁₆ = 4
4/255 ≈ 2 %
Primary green
00₁₆ = 0
0/255 ≈ 0 %
Primary blue
B8₁₆ = 184
184/255 ≈ 72 %
Basic colors
4/255 ≈ 2 % 180/255 ≈ 71 % 71/255 ≈ 28 %