Dark Blue
General Information about #0309D3
The hexadecimal color code #0309D3 represents a dark shade of blue. It is composed of 1.18% red, 3.53% green, and 82.75% blue. In the RGB color model, it is defined as (3, 9, 211). In the CMYK color model, it is composed of 98.58% cyan, 95.73% magenta, 0% yellow, and 17.25% black. The color #0309D3 has a hue of 237.4 degrees, a saturation of 97.14%, and a lightness of 42.75%. This makes it a highly saturated, cool-toned color. The color is not commonly found in nature but is often used in digital art, graphic design, and web development to evoke feelings of trust, stability, and depth. It’s essential to use this color carefully in design due to its darkness, ensuring sufficient contrast with lighter elements for readability and accessibility.
The color #0309D3, a deep dark blue, presents significant accessibility challenges, especially when used as a background color. Its low luminance value of 2 means that text rendered in lighter colors needs careful consideration to meet WCAG standards for contrast ratios. For normal text (14pt/18px and larger), a contrast ratio of at least 4.5:1 is required, while large text (at least 18pt/24px or larger) requires a contrast ratio of 3:1. When using #0309D3 for interactive elements like buttons or links, sufficient color contrast is vital to ensure that users with visual impairments can easily identify and interact with them. Providing sufficient spacing between elements is also an important part of accessibility design. In addition, consider adding alternative cues, such as icons or text labels, to enhance usability for all users, including those who may not be able to distinguish colors effectively. To improve accessibility, consider pairing #0309D3 with much lighter shades or using it sparingly for decorative elements rather than functional components.
Shades
Digital Color Formats
Alternative colors
Applications
Web Design
In web design, #0309D3 can be used to create a sophisticated and professional look, especially for websites related to technology, finance, or education. It can serve as a primary color for headers, navigation bars, or call-to-action buttons, conveying a sense of trust and reliability. However, due to its darkness, it should be paired with lighter complementary colors for text and other elements to ensure readability and accessibility. Consider using it strategically to highlight key information and guide the user's eye through the page.
Interior Design
In interior design, #0309D3 can be incorporated as an accent color to add depth and richness to a room. It can be used on walls, furniture, or decorative items like pillows and artwork to create a calming and sophisticated atmosphere. When using this color, it is important to balance it with lighter neutrals or warmer tones to prevent the space from feeling too dark or cold. It works well in bedrooms, studies, or living rooms where a sense of tranquility is desired.
Fashion
In fashion, the color can be used for clothing or accessories to make a bold statement. Dark blue is often associated with intelligence, stability, and unity. For formal events, it can be used for dresses or suits. For more casual occasions, it can be incorporated into jeans, sweaters, or t-shirts. It can also be paired with complementary colors such as white, beige, or gold to create a stylish and eye-catching outfit.