Slide 3 of
this official document shows that the hint actually used the official colors of the FIRST logo. Use the CMYK/RGB values given on that slide to do a more quantitative analysis. You'll also have to account for .jpg artifacts that show up as part of the compression as well.
Do not confuse those colors with the other colors of the 'family' of programs, explained on slide 17: while the FRC color is a darker blue, that darker blue is never actually on the Square part of the logo, ever! It's only used in lettering for FRC.