Vulcan

#171421

General Information about Vulcan (#171421)

The hex color code #171421, commonly referred to as Vulcan, is a deep, dark shade that resides within the realm of the black color family. It is composed of 9.02% red, 7.84% green, and 12.94% blue. In the RGB color model, #171421 has the values 23 red, 20 green, and 33 blue. When expressed in the CMYK color model, which is commonly used for printing, it is composed of 30% cyan, 39% magenta, 0% yellow, and 87% black. This indicates that Vulcan is primarily composed of cyan and magenta inks with a significant amount of black to achieve its dark hue. The color is often associated with elegance, mystery, and sophistication. Due to its dark nature, it is commonly used as a background color or in combination with lighter colors to create contrast.

The hex color #171421, also known as Vulcan, presents some accessibility challenges, particularly when used as text or background colors. Its low luminance value of approximately 3 makes it difficult to achieve sufficient contrast with other colors, especially lighter shades. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to ensure readability for users with visual impairments. When using #171421, it is crucial to pair it with very light colors to meet these contrast requirements. Tools like contrast checkers can help evaluate compliance. Furthermore, avoiding the use of #171421 for essential information or interactive elements is advisable, as it could exclude users with low vision or color blindness. Providing alternative color schemes or user-adjustable color settings can greatly improve accessibility for all users.

Shades

Digital Color Formats

RGB
23 20 33
RGB23 20 33
Red
Green
Blue
HSL
253.85deg 24.53% 10.39%
253.8524.5310.39HSL
Hue
Saturation
Lightness
HWB
253.85deg 7.84% 87.06%
253.857.8487.06HWB
Hue
Whiteness
Blackness
hex#171421
rgb23 20 33
hsl253.85deg 24.53% 10.39%
cmyk30.3% 39.39% 0% 87.06%
hwb253.85deg 7.84% 87.06%
xyz-d650.01 0.01 0.02
oklch0.2014 0.026 294.53
oklab0.2014 0.01 -0.02
CMYK
30.3% 39.39% 0% 87.06%
30.339.39087.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.02
0.010.010.02XYZ
X
Y
Z
OKLCH
0.2014 0.026 294.53
0.20140.026294.53LCH
Lightness
Chroma
Hue
OKLAB
0.2014 0.01 -0.02
0.20140.01-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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