Has anyone put blue backlights in the dash?

[Rixio]

one of the first things i usually do when i get a new car is change the colour of the backlight in the dash. iv got a red in my vectra blue in the audi... i wana put blue lights in the rx has any1 ever done it before or know which kind of bulbs i need to change it cos i can probs get the lights/leds from ultra leds so i just need to know what kind of sockets i need or if sum1 has done it before some insight wud b usefull...


thx