Red
noun
The kanji and the word are exactly the same. That means they share meanings as well.
あか
This has the same reading as the kanji you learned, meaning you know the reading!
その赤のくつをとってください。
Please take the red shoes.
つぎは、まえがみのいろを赤にしようとおもっています。
I’m thinking of dyeing my bangs red next time.
オーランド・ブルームという名前を聞くだけで、今でも頬が赤くなる。
My cheeks still go red when I hear the name Orlando Bloom.