Vulcan

#18181B

General Information about #18181B

The hex color #18181B, also recognized as Vulcan, is a very dark shade of gray, almost black. It is defined by 9.41% red, 9.41% green, and 10.59% blue. In the RGB color model, it is composed of 9.41% red, 9.41% green, and 10.59% blue. Represented in the HSL (hue, saturation, lightness) model, its values are 252 degrees for hue, 0.6% for saturation, and 10% for lightness. This color's hexadecimal format is a standard way to represent colors in HTML, CSS, and other digital design contexts, making it a convenient choice for designers and developers. Its closeness to black gives it a sense of neutrality and sophistication, making it useful as background in multiple UI applications.

The hex color #18181B, also known as Vulcan, presents accessibility challenges due to its low luminance. Its dark nature results in insufficient contrast against similarly dark backgrounds, potentially making text and interactive elements difficult to perceive for users with visual impairments. To ensure inclusivity, it's crucial to pair #18181B with light-colored text or elements. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text, as per WCAG guidelines. Careful consideration of color combinations and providing alternative visual cues, such as icons or borders, can significantly improve the accessibility of designs incorporating #18181B. Tools like contrast checkers can help assess and refine color pairings for optimal readability and usability.

Shades

Digital Color Formats

RGB
24 24 27
RGB24 24 27
Red
Green
Blue
HSL
240 5.88% 10%
2405.8810HSL
Hue
Saturation
Lightness
HWB
240 9.41% 89.41%
2409.4189.41HWB
Hue
Whiteness
Blackness
hex#18181B
rgb24 24 27
hsl240 5.88% 10%
cmyk11.11% 11.11% 0% 89.41%
hwb240 9.41% 89.41%
xyz0.9 0.93 1.17
CMYK
11.11% 11.11% 0% 89.41%
11.1111.11089.41CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.9 0.93 1.17
0.90.931.17XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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