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<Professional Red, White, and Blue Scheme>

1. Primary Red - #FF4C4C - A bright, attention-grabbing red that conveys energy and urgency.
2. Dark Red - #A52A2A - A deeper red that adds a touch of seriousness and professionalism.
3. Bright Blue - #3A8EBA - A vibrant, clear blue that promotes trust and reliability.
4. Dark Blue - #004B87 - A darker blue that enhances depth and provides contrast.
5. Pure White - #FFFFFF - A clean, crisp white that serves as a perfect background and enhances readability.
6. Light Gray - #F0F0F0 - A soft gray to balance the brightness, providing a neutral background.
7. Soft Red - #FFB3B3 - A softer, pastel version of red that is calming and approachable.
8. Soft Blue - #B3D9E1 - A lighter blue that maintains professionalism while being easy on the eyes.
9. Warm Beige - #F5F5DC - A warm neutral that adds warmth without overpowering the main colors.
10. Charcoal Gray - #333333 - A dark gray that provides strong contrast, ideal for text and outlines.
11. Accent Coral - #FF6F61 - A coral tone that adds a modern touch while still being cohesive with red.
12. Sky Blue - #87CEEB - A light, cheerful blue that can be used for highlights and accents.

This palette combines professional tones of red, white, and blue while ensuring accessibility and readability across various mediums. The inclusion of lighter and darker shades helps create a balanced and visually appealing design.

Would you like any specific recommendations on how to use these colors effectively in your presentations or documents? Or do you have any particular themes or contexts in mind for their application?