Source: The Great Interpretation of Dreams (Ibn Sirin)
The color blue in a dream indicates worry, grief, and calamity.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
The color blue indicates strife and enmity.
Source: Signs in the Science of Expressions (Ibn Shaheen)
The color blue is interpreted as worry. Whoever sees himself wearing it will be afflicted with worry.