Vulcan

#181221

About Hex Color #181221 (Vulcan)

The hex color #181221, often referred to as 'Vulcan,' is a dark, muted shade that belongs to the cool color family. It's composed of 9.4% red, 7.1% green, and 13.0% blue. In the RGB color space, it translates to (24, 18, 33). The perceived darkness of this color lends itself to creating a sense of depth, sophistication, and mystery in designs. It's often used as a background color to make lighter elements stand out. Its CMYK values are C:27%, M:45%, Y:0%, K:87%. Because of its dark nature, it's important to be mindful of contrast ratios when using it for text or interactive elements to ensure accessibility. Vulcan is a color that can evoke feelings of calmness and introspection.

The hex color #181221, also known as Vulcan, presents some accessibility challenges due to its dark nature. When used as a background color, it requires very light text to ensure sufficient contrast for readability, ideally achieving a contrast ratio of at least 4.5:1 as recommended by WCAG guidelines. For smaller text, a contrast ratio of 7:1 is preferred. When used for text itself, it should be paired with a very light background. It is crucial to avoid using this color for essential interactive elements without careful consideration of contrast. Testing with accessibility tools is highly recommended to ensure compliance with accessibility standards and to cater to users with visual impairments. Furthermore, consider the user experience on different devices and under varying lighting conditions.

Shades

Digital Color Formats

RGB
24 18 33
RGB24 18 33
Red
Green
Blue
HSL
264 29.41% 10%
26429.4110HSL
Hue
Saturation
Lightness
HWB
264 7.06% 87.06%
2647.0687.06HWB
Hue
Whiteness
Blackness
hex#181221
rgb24 18 33
hsl264 29.41% 10%
cmyk27.27% 45.45% 0% 87.06%
hwb264 7.06% 87.06%
xyz0.87 0.74 1.54
CMYK
27.27% 45.45% 0% 87.06%
27.2745.45087.06CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.87 0.74 1.54
0.870.741.54XYZ
X
Y
Z

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