Blue Charcoal
General Information about Blue Charcoal
The hex color #000b1b, also known as Blue Charcoal, is a very dark shade of blue, almost black. It's composed of 0% red, 4.3% green, and 10.6% blue. In the RGB color space, it has values of R:0, G:11, and B:27. The CMYK values are C:1, M:0.59, Y:0, and K:0.89. Its darkness gives it a sophisticated and modern feel, often associated with elegance and mystery. This color is frequently used in designs where a subtle yet impactful statement is desired. Because of its low brightness, it is crucial to consider contrast when using this color in conjunction with text or other visual elements. The color can evoke feelings of calmness and sophistication, making it suitable for designs aiming for a mature and refined aesthetic.
The hex color #000b1b, also known as Blue Charcoal, presents significant accessibility challenges due to its very dark nature. Its low luminance results in poor contrast against lighter text or background elements. Web developers must ensure that sufficient contrast is provided when using this color, adhering to WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text (14pt bold or 18pt regular) against a white or very light background. Using a color contrast checker is essential to validate accessibility. Moreover, avoid using this color for interactive elements or links without providing additional visual cues, as users with visual impairments may struggle to identify them. A lighter text color, such as white or a pale shade of gray, could help improve readability. Consider using alternative, lighter shades of blue or gray if contrast cannot be achieved effectively with the primary design scheme.
Shades
Digital Color Formats
Alternative colors
- #0a192f
A slightly lighter shade of blue provides better contrast while maintaining a similar aesthetic.
- #2c3338
A dark gray offers a neutral alternative that is easier to pair with other colors for better readability.
- #121212
A very dark almost black color that offers better contrast when using white text. The color offers a high degree of readability when using it for user interfaces or apps.
Applications
Dark Theme Website Design
In web design, #000b1b can be used for creating a sophisticated, dark-themed website. It works well for backgrounds in sections where you want content to stand out, such as headers or footers. Due to its dark nature, always pair it with light-colored text or elements to maintain readability and accessibility. Use it sparingly to prevent the design from becoming too heavy or overwhelming, it is a good choice to use in combination with brighter accent colors to create visual interest and guide the user's eye. When used correctly, #000b1b exudes a sense of elegance and modernity.
Modern Interior Accents
In interior design, #000b1b can be used as an accent color for walls or furniture in a modern or minimalist space. It pairs well with lighter shades of gray, white, or even muted blues to create a balanced and calming environment. Consider using it for feature walls, upholstery, or decorative accessories to add depth and sophistication. It is best used in well-lit rooms to prevent the space from feeling too dark or enclosed, and combined with warmer colors to bring balance to the design and overall feel of the interior.
User Interface Design
In User Interface (UI) design, #000b1b can serve as a primary background color for dark mode interfaces. It provides a comfortable viewing experience in low-light conditions and helps reduce eye strain. Ensure that text and interactive elements have sufficient contrast against this dark background to meet accessibility standards. Use it for dashboards, control panels, or any application where a dark and focused interface is desired. Lighter colors should be used for buttons and text to achieve an accessible and usable design.