Color Palette for Educational App. Primary: #4F46E5 (on-primary: #FFFFFF). Secondary: #818CF8 (on-secondary: #0F172A). Accent: #EA580C (on-accent: #FFFFFF). Background: #EEF2FF. Foreground: #1E1B4B. Card: #FFFFFF (card-foreground: #1E1B4B). Muted: #EBEEF8 (muted-foreground: #64748B). Border: #C7D2FE. Destructive: #DC2626 (on-destructive: #FFFFFF). Ring: #4F46E5. Notes: Playful indigo + energetic orange [Accent adjusted from #F97316 for WCAG 3:1].