Color Palette for Water & Hydration Reminder. Primary: #0284C7 (on-primary: #FFFFFF). Secondary: #06B6D4 (on-secondary: #FFFFFF). Accent: #0891B2 (on-accent: #FFFFFF). Background: #F0F9FF. Foreground: #0F172A. Card: #FFFFFF (card-foreground: #0F172A). Muted: #EFF7FB (muted-foreground: #64748B). Border: #E0F0F8. Destructive: #DC2626 (on-destructive: #FFFFFF). Ring: #0284C7. Notes: Refreshing blue + water cyan.