Vulcan

#101421

General Information about #101421

The hexadecimal color code #101421, also known as Vulcan, is a very dark shade of blue-gray. It is composed of 6.27% red, 7.84% green, and 12.94% blue. In the RGB color model, this translates to 16 red, 20 green, and 33 blue. Represented in the CMYK color model, it consists of 51.52% cyan, 39.39% magenta, 0% yellow, and 87.06% black. This color is commonly perceived as a muted, deep tone, often associated with sophistication and mystery. Due to its low brightness, it's typically used as a background color or as an accent color to provide contrast to lighter elements. In web design, careful consideration should be given to contrast ratios to ensure accessibility for all users. Vulcan is a good choice for designs where a calm and professional atmosphere is desired.

The hex color #101421, also known as Vulcan, presents significant accessibility challenges due to its very dark nature. Its low luminance results in poor contrast against lighter backgrounds, making it difficult for users with visual impairments to discern text or important interface elements. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. When using #101421, it's essential to pair it with a very light color, such as white or a pale yellow, to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. Furthermore, avoid using this color for essential visual cues or interactive elements without providing alternative cues, like labels or icons, to ensure inclusivity for all users, including those with color vision deficiencies. Consider using lighter shades or alternative color combinations to enhance accessibility.

Shades

Digital Color Formats

RGB
16 20 33
RGB16 20 33
Red
Green
Blue
HSL
225.88deg 34.69% 9.61%
225.8834.699.61HSL
Hue
Saturation
Lightness
HWB
225.88deg 6.27% 87.06%
225.886.2787.06HWB
Hue
Whiteness
Blackness
hex#101421
rgb16 20 33
hsl225.88deg 34.69% 9.61%
cmyk51.52% 39.39% 0% 87.06%
hwb225.88deg 6.27% 87.06%
xyz-d650.01 0.01 0.02
oklch0.194 0.0272 270.62
oklab0.194 0 -0.03
CMYK
51.52% 39.39% 0% 87.06%
51.5239.39087.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.02
0.010.010.02XYZ
X
Y
Z
OKLCH
0.194 0.0272 270.62
0.1940.0272270.62LCH
Lightness
Chroma
Hue
OKLAB
0.194 0 -0.03
0.1940-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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