Blue Charcoal

#011219

General Information about Blue Charcoal (#011219)

The hexadecimal color #011219, commonly referred to as Blue Charcoal, is a very dark, almost black, shade of blue. It is composed of 0.4% red, 6.7% green, and 9.8% blue. In the RGB color model, it is defined as rgb(1, 18, 25). The CMYK representation is 96% cyan, 28% magenta, 0% yellow, and 90% black. This color typically evokes feelings of sophistication, depth, and tranquility due to its dark and cool nature. It's often associated with professionalism and understated elegance. In various design contexts, this color should be handled carefully, especially when it comes to ensuring readability and accessibility due to its low luminance value.

The hex color #011219, also known as Blue Charcoal, presents significant accessibility challenges, particularly concerning color contrast. Its extremely dark nature means that it requires very light text or interface elements to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. Using this color for backgrounds necessitates careful selection of foreground colors to ensure readability for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Without adequate contrast, content can become illegible, excluding users with low vision or color blindness. Designers should utilize contrast checking tools to verify compliance and consider providing alternative high-contrast themes.

Shades

Digital Color Formats

RGB
1 18 25
RGB1 18 25
Red
Green
Blue
HSL
197.5deg 92.31% 5.1%
197.592.315.1HSL
Hue
Saturation
Lightness
HWB
197.5deg 0.39% 90.2%
197.50.3990.2HWB
Hue
Whiteness
Blackness
hex#011219
rgb1 18 25
hsl197.5deg 92.31% 5.1%
cmyk96% 28% 0% 90.2%
hwb197.5deg 0.39% 90.2%
xyz-d650 0.01 0.01
oklch0.17 0.0298 224.37
oklab0.17 -0.02 -0.02
CMYK
96% 28% 0% 90.2%
9628090.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.17 0.0298 224.37
0.170.0298224.37LCH
Lightness
Chroma
Hue
OKLAB
0.17 -0.02 -0.02
0.17-0.02-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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