# RGB to CMYK colour?

**URL:** <https://forum.kirupa.com/t/rgb-to-cmyk-colour/180349>\
**Category:** Uncategorized\
**Created:** [February 27, 2006, 11:34pm UTC](https://forum.kirupa.com/t/rgb-to-cmyk-colour/180349 "2006-02-27T23:34:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![wakeup](https://avatars.discourse-cdn.com/v4/letter/w/c6cbf5/32.png) [@wakeup](https://forum.kirupa.com/u/wakeup)\
**Post date:** [February 27, 2006, 11:34pm UTC](https://forum.kirupa.com/t/rgb-to-cmyk-colour/180349/1 "2006-02-27T23:34:28Z")

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hi there

not so clued up on printing but need to get my business cards printed.  
i have a blue which is #3399ff and the rest are just shades of grey.

how can i get the 3399ff into cmyk colour as it comes up totally different at moment!!??

cheers

c