Dark Blue
General Information about #0309b1
#0309b1 is a dark shade of blue. It is composed of 1.18% red, 3.53% green and 69.41% blue. In the RGB (red, green, blue) color space, it is created by mixing these three primary colors. In the CMYK (cyan, magenta, yellow, key) color space, used in printing, it is composed of 98% cyan, 95% magenta, 0% yellow and 31% black. This means that to reproduce this color in print, you would need a high concentration of cyan and magenta inks, with a small amount of black to darken the color. The color is often associated with feelings of depth, stability, and professionalism. Its hex code is used in HTML and CSS to define web page colors.
The hex color #0309b1, a dark blue, presents several accessibility considerations for web development. Due to its low lightness value, it is imperative to ensure sufficient contrast between text and background when using this color. 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 a very light color like white or a pale yellow for text on a #0309b1 background can help achieve this contrast ratio. Avoid pairing it with other dark colors, as this will create low contrast and make content difficult to read for users, especially those with visual impairments. Tools like contrast checkers can be used to verify compliance with accessibility standards. Also, consider providing alternative visual cues besides color to convey information, as color blindness affects a significant portion of the population.
Shades
Digital Color Formats
Alternative colors
A slightly lighter shade of blue that provides better contrast when used as a background color.
A more saturated blue that can be used to highlight specific elements on a webpage.
A lighter tint provides a subtle contrast for text or background, creating visual interest without overpowering other elements.
Applications
Web Design
In web design, #0309b1 can be used to create a sense of depth and sophistication. It's suitable for headers, navigation bars, and backgrounds, especially when aiming for a professional or corporate aesthetic. Its calming nature makes it effective for websites in the education or healthcare sector. When applying the color, consider pairing it with a contrasting accent color to ensure visual interest and usability. The color can be used to highlight key elements of a website and encourage clicks.
Interior Design
In interior design, #0309b1 can be applied to create a moody and relaxing atmosphere. It works well in bedrooms or studies, where a sense of calm is desired. The color can be used on walls or as an accent color in furniture or décor. Consider pairing it with lighter neutrals or warm metallics to balance the darkness. This dark blue creates a sophisticated atmosphere.
Fashion
In fashion, this dark blue represents sophistication and can be applied to create elegant styles for women. This colour is great for evening dresses and gowns and it is easy to combine with gold or silver jewelry. When worn as a solid piece it emanates prestige and class.