Vulcan

#16151D

General Information about #16151D

The hexadecimal color code #16151D, often referred to as 'Vulcan,' represents a very dark, muted shade of violet-blue. It falls within the range of near-black colors. In the RGB (Red, Green, Blue) color model, #16151D is composed of 8.63% red, 8.24% green, and 11.37% blue. In the CMYK (Cyan, Magenta, Yellow, Key/Black) color model, it consists of 24.15% cyan, 27.13% magenta, 0% yellow, and 88.63% black. This color is generally perceived as sophisticated and reserved, suitable for creating a sense of depth and seriousness. Due to its low luminance, it's often used as a background color to highlight lighter elements in a design. Its use requires careful consideration of contrast to ensure accessibility and readability.

The hex color #16151D, also known as Vulcan, presents significant accessibility challenges, particularly regarding text contrast. As a very dark shade, it requires extremely light text (ideally white or near-white) to meet WCAG (Web Content Accessibility Guidelines) standards for readability. A contrast ratio of at least 4.5:1 is necessary for normal-sized text and 3:1 for large text (14pt bold or 18pt regular). Insufficient contrast can make content illegible for users with visual impairments, including those with low vision or color blindness. When using #16151D for backgrounds or elements with text, it's crucial to test the contrast ratio using online tools or browser extensions. Furthermore, relying solely on color to convey information is discouraged; supplementary cues, such as icons or text labels, should be provided to ensure inclusivity for all users. Consideration should also be given to users who may be viewing the content in different lighting conditions or on various devices, as these factors can affect perceived contrast.

Shades

Digital Color Formats

RGB
22 21 29
RGB22 21 29
Red
Green
Blue
HSL
247.5deg 16% 9.8%
247.5169.8HSL
Hue
Saturation
Lightness
HWB
247.5deg 8.24% 88.63%
247.58.2488.63HWB
Hue
Whiteness
Blackness
hex#16151D
rgb22 21 29
hsl247.5deg 16% 9.8%
cmyk24.14% 27.59% 0% 88.63%
hwb247.5deg 8.24% 88.63%
xyz-d650.01 0.01 0.01
oklch0.2007 0.0159 290.6
oklab0.2007 0.01 -0.01
CMYK
24.14% 27.59% 0% 88.63%
24.1427.59088.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2007 0.0159 290.6
0.20070.0159290.6LCH
Lightness
Chroma
Hue
OKLAB
0.2007 0.01 -0.01
0.20070.01-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons