Vulcan

#12151B

General Information about #12151B (Vulcan)

The hexadecimal color code #12151B, also known as Vulcan, is a very dark shade of blue-gray, almost black. It is composed of 7.1% red, 8.2% green, and 10.6% blue. In the RGB color model, this translates to R:18, G:21, B:27. The CMYK representation of #12151B is C:33, M:22, Y:0, K:89. This color possesses a low saturation and a low brightness, contributing to its muted and subdued appearance. Colors similar to Vulcan are often associated with sophistication, modernity, and a sense of mystery. In design, such dark colors are frequently used to create a sense of depth and contrast, especially when paired with lighter or more vibrant colors. The name 'Vulcan' likely references the Roman god of fire and metalworking, hinting at the color's industrial and robust nature.

The color #12151B, also known as Vulcan, presents significant accessibility challenges. Its low luminance value results in poor contrast against lighter backgrounds, making text and graphical elements difficult to discern for users with visual impairments. According to WCAG guidelines, this color combination would likely fail contrast ratio tests for normal-sized text. Web developers employing this color should carefully consider its impact on users with disabilities and ensure sufficient contrast by pairing it with very light colors. Additionally, providing alternative high-contrast themes or allowing users to customize color schemes are crucial steps to enhance accessibility. Using color alone to convey information should be avoided, and alternative cues like text labels or icons should be provided to ensure usability for all users. Thorough testing with accessibility tools and feedback from users with disabilities is essential when incorporating such a dark color into a website or application.

Shades

Digital Color Formats

RGB
18 21 27
RGB18 21 27
Red
Green
Blue
HSL
220 20% 8.82%
220208.82HSL
Hue
Saturation
Lightness
HWB
220 7.06% 89.41%
2207.0689.41HWB
Hue
Whiteness
Blackness
hex#12151B
rgb18 21 27
hsl220 20% 8.82%
cmyk33.33% 22.22% 0% 89.41%
hwb220 7.06% 89.41%
xyz0.72 0.74 1.14
CMYK
33.33% 22.22% 0% 89.41%
33.3322.22089.41CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.72 0.74 1.14
0.720.741.14XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons