Getting HEX color number from RGB

[font=Arial]Hi,[/font]

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[font=Arial]I have problems with getting right hexadecimal color number. I made component and one of component parameters is Color picker. [/font]

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[font=Arial]For example if I chose blue color (0000ff) and trace my color variable I get 255, converting it to hexadecimal number I get FF.[/font]

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[font=Arial]Problem is I need whole hexadecimal number: 0000FF.[/font]

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[font=Arial]Anyone know how to accomplish this ?[/font]

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[font=Arial]Of course manually adding 0000 is acceptable.[/font]

[font=Arial]Thanks in advance,[/font]