Vulcan

#18151F

General Information about Vulcan (#18151F)

The hexadecimal color code #18151F, also known as Vulcan, is a dark, muted shade that falls within the purple-blue spectrum. It is composed of 9.4% red, 8.2% green, and 12.2% blue. In the RGB color space, it has values of R:24, G:21, and B:31. Its CMYK values are C:0.23, M:0.32, Y:0.00, K:0.88. Vulcan is often associated with feelings of mystery, sophistication, and depth. Due to its low luminance, it is generally best used sparingly or in conjunction with lighter colors to create sufficient contrast. Its unique blend of hues makes it a versatile option for various design applications where a subtle yet impactful color is desired. It is important to be mindful of accessibility when using Vulcan, ensuring adequate contrast with text and other elements to accommodate users with visual impairments.

The hex color #18151F, also known as Vulcan, presents significant accessibility challenges due to its low luminance. Its dark nature results in very low contrast against typical light backgrounds, such as white (#FFFFFF). This is a critical consideration for web developers, as insufficient contrast can severely hinder readability for users with visual impairments, including those with low vision or color blindness. According to WCAG (Web Content Accessibility Guidelines), the minimum contrast ratio for standard text is 4.5:1, and for large text, it's 3:1. Vulcan likely falls far short of these recommendations when paired with light backgrounds. To improve accessibility, consider using Vulcan sparingly and always ensure it is paired with a very light color. Alternatively, use it only for decorative elements where text is not present. A color contrast checker tool is highly recommended to verify compliance with accessibility standards.

Shades

Digital Color Formats

RGB
24 21 31
RGB24 21 31
Red
Green
Blue
HSL
258deg 19.23% 10.2%
25819.2310.2HSL
Hue
Saturation
Lightness
HWB
258deg 8.24% 87.84%
2588.2487.84HWB
Hue
Whiteness
Blackness
hex#18151F
rgb24 21 31
hsl258deg 19.23% 10.2%
cmyk22.58% 32.26% 0% 87.84%
hwb258deg 8.24% 87.84%
xyz-d650.01 0.01 0.01
oklch0.2041 0.0201 298.33
oklab0.2041 0.01 -0.02
CMYK
22.58% 32.26% 0% 87.84%
22.5832.26087.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2041 0.0201 298.33
0.20410.0201298.33LCH
Lightness
Chroma
Hue
OKLAB
0.2041 0.01 -0.02
0.20410.01-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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