Vulcan

#11111B

General Information about #11111B (Vulcan)

The hexadecimal color code #11111B, also known as Vulcan, is a dark, muted shade of blue-gray. It is composed of 6.67% red, 6.67% green, and 10.59% blue. In the RGB color model, #11111B consists of 17 red, 17 green, and 27 blue. Converting this to CMYK, it's approximately 37% cyan, 37% magenta, 0% yellow, and 89% black. Vulcan has a relatively low saturation and brightness, contributing to its subtle and understated appearance. It's commonly used in designs aiming for a modern, sophisticated, or even slightly mysterious aesthetic. Due to its darkness, it's essential to carefully consider contrast ratios when using it for text or interactive elements to ensure accessibility. Color names are not standardized, therefore 'Vulcan' is only one possible name for the hex color.

The color #11111B, also known as Vulcan, presents significant accessibility challenges, particularly in web design. Its very dark hue results in extremely low contrast against typical light-colored backgrounds. This poses readability issues for users with visual impairments, including those with low vision or color blindness. According to WCAG guidelines, sufficient contrast is crucial for text and interactive elements to be easily discernible. To improve accessibility, consider pairing Vulcan with much lighter colors, such as off-white (#FAFAFA) or light gray (#D3D3D3). Alternatively, using Vulcan sparingly for decorative elements rather than essential content can mitigate accessibility concerns. Tools like contrast checkers can help assess and adjust color pairings to meet accessibility standards and ensure a more inclusive user experience. It's important to note that a lighter shade of grey or off-white does not have to be used as a background color. When using white text, a simple outline can drastically improve accessibility.

Shades

Digital Color Formats

RGB
17 17 27
RGB17 17 27
Red
Green
Blue
HSL
240deg 22.73% 8.63%
24022.738.63HSL
Hue
Saturation
Lightness
HWB
240deg 6.67% 89.41%
2406.6789.41HWB
Hue
Whiteness
Blackness
hex#11111B
rgb17 17 27
hsl240deg 22.73% 8.63%
cmyk37.04% 37.04% 0% 89.41%
hwb240deg 6.67% 89.41%
xyz-d650.01 0.01 0.01
oklch0.1828 0.0204 284.2
oklab0.1828 0.01 -0.02
CMYK
37.04% 37.04% 0% 89.41%
37.0437.04089.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.1828 0.0204 284.2
0.18280.0204284.2LCH
Lightness
Chroma
Hue
OKLAB
0.1828 0.01 -0.02
0.18280.01-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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