Vulcan

#18181C

General Information about #18181C

The hex color #18181C, also known as Vulcan, is a very dark shade of gray. In the RGB color model, it is composed of 9.41% red, 9.41% green, and 11% blue. Its CMYK representation is 0% cyan, 0% magenta, 0% yellow, and 89% black. This color is often associated with sophistication, mystery, and understated elegance. Due to its dark nature, it is commonly used in designs where a subtle and non-intrusive background is desired, allowing other elements to take center stage. In web development, Vulcan is suitable for creating dark mode interfaces, providing a comfortable viewing experience in low-light environments. It is also a popular choice for branding and logos that aim to convey a sense of professionalism and modernity.

The hex color #18181C, also known as Vulcan, presents accessibility challenges due to its dark nature. When used as a background, it necessitates very light text (ideally white or near-white) to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text to meet AA compliance. A contrast checker tool is highly recommended to verify compliance. This color might be unsuitable for extensive text blocks but could work well for headings or graphical elements if accompanied by appropriate contrast. Also, it is important to consider users with visual impairments. The color might be difficult to differentiate for those with low vision or color blindness. Using it sparingly and in combination with clear visual cues can help improve accessibility.

Shades

Digital Color Formats

RGB
24 24 28
RGB24 24 28
Red
Green
Blue
HSL
240deg 7.69% 10.2%
2407.6910.2HSL
Hue
Saturation
Lightness
HWB
240deg 9.41% 89.02%
2409.4189.02HWB
Hue
Whiteness
Blackness
hex#18181C
rgb24 24 28
hsl240deg 7.69% 10.2%
cmyk14.29% 14.29% 0% 89.02%
hwb240deg 9.41% 89.02%
xyz-d650.01 0.01 0.01
oklch0.2108 0.0078 285.67
oklab0.2108 0 -0.01
CMYK
14.29% 14.29% 0% 89.02%
14.2914.29089.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2108 0.0078 285.67
0.21080.0078285.67LCH
Lightness
Chroma
Hue
OKLAB
0.2108 0 -0.01
0.21080-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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