These plum and ice blue side stripe trousers work especially well for Cool Summer, Cool Winter and Deep Winter colour palettes. The cool plum shade has enough richness for deeper Winter colouring while still feeling soft enough for Summers who suit elegant low-to-medium contrast. The icy blue stripe introduces cool clarity and brightness, making the overall effect feel cleaner and more refined than warmer burgundy tones often associated with Autumn palettes. Cool Summers can style these with powder blue, soft navy, muted berry and dove grey for a balanced tonal look, while Cool Winter and Deep Winter can increase the contrast with black, charcoal, icy pastels and jewel tones. For anyone exploring cool-toned seasonal colour analysis, these are a sophisticated alternative to classic black trousers while still giving depth, versatility and modern polish.