Obsidian Blue - Premium Chalk PaintObsidian Blue Deep Blue Black Chalk Paint with Rich Depth Obsidian Blue is a striking blue black chalk paint inspired by the dark, glassy beauty of obsidian rock infused with blue undertones. This captivating hue shifts between deep black and rich blue, revealing its true character as light moves across it. In darker spaces, Obsidian Blue settles into a mysterious inky black, while in brighter rooms, its blue pigments come alive, creating a dynamic