Denim

Use #2243b6 as your primary brand color to convey reliability and professional authority, especially for call-to-action buttons. It provides strong accessibility against clean white backgrounds, ensuring your interface remains readable and trustworthy for users navigating complex systems.

This blue balances perfectly with neutral slate or soft cream tones to create a grounded, modern aesthetic. For a higher contrast look, pair #2243b6 with bright white, which allows the saturation to stand out without feeling aggressive.