The Biblical meaning of a dream about red hair is anchored on Matthew 10:30 which says ‘And even the very hairs of your head are all numbered.’
This scripture speaks of God’s love, care, and attention to you. It means you can be calm and rest in his care because his eye is on you.
The dream showed red hair and this means if you ‘dwell in the shelter of the Most High and rest in the shadow of the Almighty;, you will prosper, stand out, and be the center of attention. The red color symbolizes uniqueness, prominence, etc.
5 “ ‘During the entire period of their Nazirite vow, no razor may be used on their head. They must be holy until the period of their dedication to the LORD is over; they must let their hair grow long.
Hair in the dream could biblically stand for a vow or dedication to God. Red hair could Biblically stand for prosperity that comes as a result of holding your end of the covenant, that is loving the Lord your God with all your might, soul, and mind; and loving your neighbor as yourself.
Strength for prosperity
Considering Samson and his hair which, by God’s doing, gave him strength, seeing red hair in the dream Biblically symbolizes God’s empowering grace for you to prosper. The hair stands for God’s strength and the red color symbolizes prominence through His prosperity.