Vulcan

#151517

General Information about #151517

The hexadecimal color code #151517, also known as Vulcan, is a very dark, slightly desaturated shade of gray. It is composed of 8.24% red, 8.24% green, and 9.02% blue. In the RGB color model, this equates to R:21, G:21, B:23. The CMYK representation is C:0.09, M:0.09, Y:0.00, K:0.91. This color is often associated with sophistication, modernity, and understated elegance. Due to its darkness, it is frequently used in applications where a subtle and refined aesthetic is desired. However, its low luminance requires careful consideration of contrast to ensure accessibility and readability, particularly in text-based applications or on websites. Vulcan can evoke a sense of mystery and can be used to create depth.

The color #151517, also known as Vulcan, presents significant accessibility challenges due to its very low luminance. Its dark nature results in poor contrast against typical light backgrounds, making text and graphical elements difficult to perceive for users, especially those with visual impairments. According to WCAG guidelines, this color fails to meet minimum contrast ratios for both normal and large text sizes when paired with white or similarly light backgrounds. To improve accessibility, consider using lighter text colors such as shades of white or off-white. Alternatively, use darker background colors to increase contrast. It is imperative to test color combinations with accessibility tools to ensure compliance and inclusivity for all users. Thoughtful application of color theory and attention to contrast are essential for creating accessible and user-friendly designs.

Shades

Digital Color Formats

RGB
21 21 23
RGB21 21 23
Red
Green
Blue
HSL
240deg 4.55% 8.63%
2404.558.63HSL
Hue
Saturation
Lightness
HWB
240deg 8.24% 90.98%
2408.2490.98HWB
Hue
Whiteness
Blackness
hex#151517
rgb21 21 23
hsl240deg 4.55% 8.63%
cmyk8.7% 8.7% 0% 90.98%
hwb240deg 8.24% 90.98%
xyz-d650.01 0.01 0.01
oklch0.1966 0.004 285.95
oklab0.1966 0 0
CMYK
8.7% 8.7% 0% 90.98%
8.78.7090.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.1966 0.004 285.95
0.19660.004285.95LCH
Lightness
Chroma
Hue
OKLAB
0.1966 0 0
0.196600LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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