Vulcan

#18171E

General Information about #18171E

The hex color #18171E, often referred to as Vulcan, is a dark, muted shade that resides in the realm of near-black colors. It possesses a subtle depth, making it a versatile choice for designs that require a touch of understated elegance. In the RGB color model, #18171E is composed of 9.41% red, 8.98% green, and 11.76% blue. This composition indicates a slightly cooler undertone due to the higher percentage of blue. The color is frequently used in designs to evoke a sense of sophistication, mystery, or modernity. Its low saturation and luminance make it a good candidate for backgrounds, text highlights, or other elements where a subtle, non-distracting color is desired. Additionally, the hexadecimal nature makes it easy to implement in digital design.

The hex color #18171E, also known as Vulcan, presents several accessibility considerations for web developers. Its low luminance value creates a significant challenge in terms of contrast. When used as a foreground color against a white background, it's likely to fail WCAG (Web Content Accessibility Guidelines) AA and AAA standards for normal text. To ensure accessibility, it is crucial to pair this color with a very light foreground color, achieving a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Using tools to check color contrast is essential. Furthermore, avoid relying solely on color to convey important information, as users with color vision deficiencies may not be able to distinguish it effectively. Providing text labels or other visual cues alongside color coding enhances usability for all users. Consider the overall design context to ensure sufficient readability and inclusivity.

Shades

Digital Color Formats

RGB
24 23 30
RGB24 23 30
Red
Green
Blue
HSL
248.57deg 13.21% 10.39%
248.5713.2110.39HSL
Hue
Saturation
Lightness
HWB
248.57deg 9.02% 88.24%
248.579.0288.24HWB
Hue
Whiteness
Blackness
hex#18171E
rgb24 23 30
hsl248.57deg 13.21% 10.39%
cmyk20% 23.33% 0% 88.24%
hwb248.57deg 9.02% 88.24%
xyz-d650.01 0.01 0.01
oklch0.209 0.0138 291.68
oklab0.209 0.01 -0.01
CMYK
20% 23.33% 0% 88.24%
2023.33088.24CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.209 0.0138 291.68
0.2090.0138291.68LCH
Lightness
Chroma
Hue
OKLAB
0.209 0.01 -0.01
0.2090.01-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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