1. Choose a dominant color.

Example: Purple = royalty, wealth, success, & wisdom Blue = trust, security, stability, peace, and calmness

  1. Add two more colors.

Use mycolor.space to find two colors using a dominant color.

Complementary Accent

In design, black and white are also colors that have their own meaning.

  1. Apply the 60/30/10 rule.

60 - probably background 30 - text 10 - accent (buttons, CTA)

References

How to Choose Colors (Easy 3-Step Process). Directed by Flux Academy, 2020. YouTube, https://www.youtube.com/watch?v=KMS3VwGh3HY.