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Dark Slate Blue
#263f5a

#263f5a
Primary red
26₁₆ = 38
38/255 ≈ 15 %
Primary green
3F₁₆ = 63
63/255 ≈ 25 %
Primary blue
5A₁₆ = 90
90/255 ≈ 35 %
Basic colors
38/255 ≈ 15 % 25/255 ≈ 10 % 27/255 ≈ 11 % 165/255 ≈ 65 %