The prevalence of blue in corporate logos can be attributed to several factors, including psychological associations, cultural influences, and the versatility of the color. Here are some reasons why blue is a popular choice for corporate logos:

1. Trustworthiness and Professionalism: Blue is often associated with qualities like trustworthiness, reliability, and professionalism. These attributes are highly valued in the business world, making blue an appealing choice for companies looking to convey a sense of credibility and competence.
2. Calm and Serenity: Blue is known for its calming and soothing effect on people. It can create a sense of tranquility and stability, which is particularly important for businesses dealing with sensitive or complex matters, such as finance, healthcare, and technology.
3. Universal Appeal: Blue is a universally liked color. Surveys and studies consistently show that blue is one of the most favored colors across different cultures and demographics. Using blue in a logo can help a company appeal to a broad audience.
4. Versatility: Blue is a versatile color that can be easily combined with other colors to create a balanced and aesthetically pleasing logo. It works well with contrasting colors, such as white, black, or gold, allowing for diverse design options.