A timeless and universally beloved color, blue is associated with calmness, confidence, and clarity. Ranging from serene sky blues to bold navy tones, this color family helps create environments that feel open, peaceful, and inviting. Lighter blues bring a sense of freshness and relaxation, while deeper blues exude stability and sophistication. Blue works well in spaces that need to promote focus and productivity, making it an excellent choice for both professional and personal settings. Coordinating blue tones offer a cohesive, tranquil look, while pairing with warm neutrals or metallic accents adds richness and contrast.