Blue Charcoal
General Information about #00071B
The hex color code #00071B, also known as Blue Charcoal, is a very dark shade of blue, almost approaching black. It is composed of 0% red, 2.7% green, and 10.6% blue. In the RGB color space, it has the values R:0, G:7, B:27. In the CMYK color space, it is composed of C:1, M:0.741, Y:0, K:0.894. The HSV/HSB representation is H:222 degrees, S:1, V:0.106 and the HSL representation is H:222 degrees, S:1, L:0.053. Due to its extremely low luminance value, it is often used to create a sense of depth, mystery, or sophistication in design projects. Its subtle blue undertone distinguishes it from pure black, making it a versatile choice for backgrounds, text, and other design elements.
The hex code #00071B, a very dark shade of blue, presents significant accessibility challenges. Its extremely low luminance results in poor contrast against lighter text or background colors. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments to perceive content effectively. Using #00071B for text is strongly discouraged unless paired with a very light color, like white or a pale yellow, to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. When using this color as a background, ensure all foreground elements meet the minimum contrast requirements. Considering alternatives with slightly higher luminance might improve accessibility without drastically altering the desired aesthetic. Tools are available to evaluate color contrast ratios and ensure compliance with accessibility standards.
Shades
Digital Color Formats
Alternative colors
- #0a142f
A slightly lighter shade of blue that provides better contrast while maintaining a similar aesthetic.
- #212529
A dark gray that offers improved readability when used as a text color on light backgrounds.
- #001f3f
A dark navy blue that provides a sophisticated look with better contrast than #00071B.
Applications
Web Design
In web design, #00071B can be used to create a sophisticated and modern feel, particularly for websites related to technology, finance, or luxury goods. It is well suited as a background color for hero sections or footers, especially when paired with bright, contrasting text. Consider using it for navigation menus, where its dark hue can help to create a clear visual hierarchy and improve the user experience. However, pay close attention to the color contrast to make sure the content is readable for all users, including those with visual disabilities.
Beauty and Fashion
#00071B can be used as a base color for eyeshadow palettes, offering a dramatic and smoky effect. It can also be incorporated into nail polish collections, providing a dark and mysterious allure. In fashion, it's suitable for creating evening wear or accent pieces that exude sophistication and elegance. Combining it with metallic accents or vibrant colors can enhance its visual appeal and make a bold statement. It is often associated with the 'dark academia' fashion style.
Interior Design
This color serves as an excellent choice for creating a calming and sophisticated atmosphere in interior spaces. It can be used as an accent wall color in living rooms or bedrooms, providing a sense of depth and tranquility. It is also well-suited for creating cozy home cinema rooms. Consider pairing it with warm lighting and natural materials like wood and leather to balance its coolness and add warmth to the space. Furthermore, #00071B can be used in home office design, because it increases focus.