A 3D render of the letter, featuring a blend of periwinkle and canary yellow colors, submerged in water with swirling currents. Bright light radiates from its center, creating a high-contrast, eerie atmosphere. The photorealistic rendering showcases a rippling water surface with a liquid effect and hyper-detailed textures. Dramatic lighting casts over the scene, captured in stunning 8K resolution, accentuating the immersive underwater environment.