Vulcan

#181618

General Information about #181618

The hex color #181618, also known as Vulcan, is a very dark shade of gray, almost black. It resides within the grayscale color family, characterized by its lack of strong saturation and its neutral tone. In the RGB color model, it is composed of 9.41% red, 8.63% green, and 9.41% blue. This even distribution of primary colors contributes to its neutrality. The hexadecimal system represents colors using a base-16 notation, and #181618 indicates the intensity of red, green, and blue light required to produce this specific color. The color is often associated with sophistication, modernity, and a sense of understated elegance. Its subtle nature makes it a versatile choice for various design applications where a neutral background or accent color is needed.

The hex color #181618, also known as Vulcan, presents significant accessibility challenges, especially in text-based applications. Its low luminance value results in poor contrast against both white and light backgrounds, making it difficult for users with visual impairments to read text rendered in this color. To ensure inclusivity, web developers should avoid using #181618 for text or interactive elements without implementing a sufficient contrast ratio (at least 4.5:1 for normal text and 3:1 for large text, as defined by WCAG guidelines). Pairing #181618 with a very light color such as white or light yellow is recommended to improve readability. Also, consider providing alternative color themes to allow users to customize the color scheme based on their preferences and visual needs. Using tools like contrast checkers is vital to verify and maintain accessibility standards when using this dark color.

Shades

Digital Color Formats

RGB
24 22 24
RGB24 22 24
Red
Green
Blue
HSL
300deg 4.35% 9.02%
3004.359.02HSL
Hue
Saturation
Lightness
HWB
300deg 8.63% 90.59%
3008.6390.59HWB
Hue
Whiteness
Blackness
hex#181618
rgb24 22 24
hsl300deg 4.35% 9.02%
cmyk0% 8.33% 0% 90.59%
hwb300deg 8.63% 90.59%
xyz-d650.01 0.01 0.01
oklch0.2034 0.005 325.54
oklab0.2034 0 0
CMYK
0% 8.33% 0% 90.59%
08.33090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2034 0.005 325.54
0.20340.005325.54LCH
Lightness
Chroma
Hue
OKLAB
0.2034 0 0
0.203400LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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