Tips for pairing them
Use a dark blue as the base and red as the accent, and add white to let it breathe. In fashion, a navy blazer with a red detail is elegant; nautical style uses all three colors. At home, keep red to a few pieces, like pillows or a lamp. In design, it is a classic combo for sports brands.
Contrast between them: 1.4:1. Don’t put text in one color on the other: it’s hard to read.