Vulcan

#15181A

General Information about #15181A

The hexadecimal color code #15181A, also known as Vulcan, represents a very dark shade of gray, almost black. It is composed of 8.24% red, 9.41% green, and 10.2% blue. In the RGB color space, it has values of R:21, G:24, B:26. In the CMYK color space, its approximate values are C:0.19, M:0.08, Y:0.00, K:0.90. This color is often associated with sophistication, elegance, and modernity. Due to its low lightness value, it is not ideal for body text but can be used effectively as a background color when paired with light text, or as an accent color to provide contrast. Vulcan is frequently employed in graphic design, web development, and interior design to create a subtle, refined aesthetic. Its understated nature makes it a versatile choice for various applications where a dark, neutral tone is desired.

The hex color #15181A, also known as Vulcan, presents accessibility challenges due to its dark nature. When used as a background color, it necessitates very light text to ensure sufficient contrast for readability, adhering to WCAG guidelines for contrast ratios. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using lighter shades of gray, white, or other light colors as foreground elements is crucial. Conversely, employing #15181A as a text color should be reserved for light backgrounds. Proper testing with accessibility tools is essential to confirm compliance and accommodate users with visual impairments. Designers and developers should carefully consider the color pairings to guarantee usability for all users. This includes taking into account users with color blindness, who may perceive color differently. Providing alternative visual cues, such as underlines or icons, can further enhance accessibility.

Shades

Digital Color Formats

RGB
21 24 26
RGB21 24 26
Red
Green
Blue
HSL
204 10.64% 9.22%
20410.649.22HSL
Hue
Saturation
Lightness
HWB
204 8.24% 89.8%
2048.2489.8HWB
Hue
Whiteness
Blackness
hex#15181A
rgb21 24 26
hsl204 10.64% 9.22%
cmyk19.23% 7.69% 0% 89.8%
hwb204 8.24% 89.8%
xyz-d650.01 0.01 0.01
oklch0.2067 0.0061 237
oklab0.2067 0 -0.01
CMYK
19.23% 7.69% 0% 89.8%
19.237.69089.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2067 0.0061 237
0.20670.0061237LCH
Lightness
Chroma
Hue
OKLAB
0.2067 0 -0.01
0.20670-0.01LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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