真っ赤 (まっか)bright red; deep red; flushed (of face)

bright red; deep red; flushed (of face)adjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)
downright (e.g. lie); complete; utteradjectival nouns or quasi-adjectives (keiyodoshi)

真っ赤, its kanji, and other words that share them.Open this graph

Kanji in 真っ赤

写真しゃしんphotograph; photo
真相しんそうtruth; real situation
真のしんのtrue; real
真実しんじつtruth; reality
真ん中まんなかmiddle; centre
写真集しゃしんしゅうphoto book (esp. one featuring photos of female celebrities, models); photobook
真意しんいreal intention; true motive
真理しんりtruth
赤字あかじ(being in) the red; deficit
赤ちゃんあかちゃんbaby; infant
赤松あかまつJapanese red pine (Pinus densiflora); Japanese umbrella pine
赤ん坊あかんぼうbaby; infant
赤軍せきぐんRed Army (Soviet Union, 1918-1946); Workers' and Peasants' Red Army
赤いあかいred; crimson
赤外線せきがいせんinfrared rays; infrared radiation
赤信号あかしんごうred light (traffic)

See how 真っ赤 connects to the rest of Japanese.