Vulcan

#10111D

General Information

The hex color #10111D, also known as Vulcan, is a very dark shade of blue-gray. It belongs to the family of near-black colors and has a very low brightness value. In the RGB color model, it is composed of 6.27% red, 6.67% green, and 11.37% blue. In the CMYK color model, its composition is 44.83% cyan, 41.17% magenta, 0% yellow, and 88.63% black. This color is often associated with sophistication, mystery, and a sense of understated elegance. Because of its near black appearance, it can be used as a substitute for black in designs where a slightly softer look is desired. Its subtle blue undertones add depth, setting it apart from pure black.

The color #10111D, also known as Vulcan, presents some accessibility challenges, particularly for users with visual impairments. Its low luminance value means that text rendered in this color requires very light foreground colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using #10111D as a background, web developers should carefully select foreground colors, testing combinations with accessibility tools to verify compliance. Consideration should also be given to providing alternative color schemes to allow users to customize the appearance based on their individual needs. Furthermore, avoid using this color for crucial visual elements where color is the only means of conveying information.

Shades

Digital Color Formats

RGB
16 17 29
RGB16 17 29
Red
Green
Blue
HSL
235.38 28.89% 8.82%
235.3828.898.82HSL
Hue
Saturation
Lightness
HWB
235.38 6.27% 88.63%
235.386.2788.63HWB
Hue
Whiteness
Blackness
hex#10111D
rgb16 17 29
hsl235.38 28.89% 8.82%
cmyk44.83% 41.38% 0% 88.63%
hwb235.38 6.27% 88.63%
xyz-d650.01 0.01 0.01
oklch0.1829 0.0246 279.99
oklab0.1829 0 -0.02
CMYK
44.83% 41.38% 0% 88.63%
44.8341.38088.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.1829 0.0246 279.99
0.18290.0246279.99LCH
Lightness
Chroma
Hue
OKLAB
0.1829 0 -0.02
0.18290-0.02LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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