- professional use
- Used as a color accent in text-based posts for visual hierarchy, bullet-point decoration, or brand color signaling.
- post context
- Appears in data visualization posts, brand identity discussions, or corporate design articles referencing blue branding.
- appropriateness
- Fully appropriate; LinkedIn's own brand color is blue, making the square feel on-brand and professional.
- comment use
- Used as a color-coded marker in comment threads or to highlight key points in long-form post comments.