Dark Blue
General Information
The hexadecimal color code #2303e3 represents a dark shade of blue. In the RGB color model, it is composed of 13.73% red, 1.18% green, and 89.02% blue. This indicates a strong dominance of blue, resulting in a deep, intense color. Hex color codes are commonly used in web design and digital graphics to specify colors precisely. The color is not perceptually uniform and can appear very dark to the human eye. Dark blue hues are often associated with feelings of trust, stability, and intelligence. Therefore, #2303e3 may be selected when trying to evoke feelings of calmness. It can be used in combination with lighter shades or complementary colors to create visually appealing designs.
The hex color #2303e3, a dark blue, presents significant accessibility challenges, especially in web design. Its low luminance value means that text rendered in this color requires a very light background to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using #2303e3 on a dark or even moderately dark background would likely fail these contrast tests, making content difficult to perceive for users with visual impairments. Designers should carefully consider color pairings and utilize contrast checking tools to verify compliance with accessibility standards. Alternatives, such as lighter shades of blue or pairing this dark blue with very light yellows or whites, may be necessary to improve accessibility. Providing sufficient contrast is crucial for ensuring that websites and applications are usable by everyone, regardless of their visual abilities. To ensure high accessibility it is recommended to perform automated tests to check the contrast ratio.
Shades
Digital Color Formats
Alternative colors
Applications
User Interface Design
In user interface design, #2303e3 can be used sparingly for primary action buttons to draw attention, but always ensure sufficient contrast with text. For branding, this dark blue could represent trust, security, and professionalism, especially in the tech or finance industries. For data visualization, it may denote one category of data in charts and graphs, but consider using it with other contrasting colors for better clarity. In web development, consider that the dark color is not suitable for large surfaces. It is recommened to use it only for small decorative elements.
Fashion and Interior Design
This color could be used in fashion design for garments intended to convey a sense of power and mystery. Interior designers might use it as an accent color in rooms designed for relaxation or focus, such as studies or bedrooms. Graphic designers can use it to evoke feelings of sophistication and depth in logos or marketing materials. As a dark color it is perfect for backgrounds with bright text or visual elements.
Beauty
In the beauty industry, this dark blue can be used for eyeshadows to create a dramatic look. The dark blue can also be used for nail polish. This color is best suited for night looks in combination with more bright make up.