1125 × 750
Source:https://www.lulus.com/products/perfectly-classy-royal-blue-satin-strappy-maxi-dress/2015996.html
900 × 600
Source:https://www.musebridals.com/products/royal-blue-a-line-off-shoulder-prom-dresses-evening-dresses-with-train-mp725
2000 × 1200
Source:https://www.promgirl.com/products/aleta-ale-910-dress
1500 × 1000
Source:https://www.kissprom.com/products/mermaid-one-shoulder-royal-blue-long-prom-dress-with-criss-cross-back
1200 × 800
Source:https://www.dbrbridal.com/products/gorgeous-royal-blue-long-mermaid-spaghetti-straps-v-neck-prom-dress
1500 × 1000
Source:https://www.kissprom.com/products/mermaid-royal-blue-sequin-prom-dress
1024 × 682
Source:https://www.vickidress.com/products/cute-a-line-v-neck-royal-blue-satin-long-prom-dresses-with-slit-vk112601
1280 × 853
Source:https://ladyblacktie.com/eclipse-gown-royal-blue/
1024 × 768
Source:https://www.morievent.com/products/a-line-v-neck-light-blue-royal-blue-prom-dresses-blue-satin-long-formal-graduation-dresses
1000 × 800
Source:https://www.siaoryne.com/products/elegant-a-line-satin-off-the-shoulder-royal-blue-long-women-formal-prom-dresses-party-gown-with-slit-pl10128