Blue Charcoal

#021318

General Information about Blue Charcoal

The hex color #021318, also known as Blue Charcoal, is a very dark shade of cyan-blue. It is composed of 0.78% red, 7.45% green, and 9.41% blue. In the RGB color model, it is represented as rgb(2, 19, 24). In the CMYK color model, its values are 0.92, 0.21, 0, 0.91. This color typically evokes feelings of sophistication, depth, and calmness. Due to its very low lightness value (5%), it is considered a very dark color. The color is generally associated with serious, mature, and stable environments, though it is rarely used as a primary color due to the readibility issues and contrast limitations in user interfaces.

The hex color #021318, also known as Blue Charcoal, presents accessibility challenges due to its low luminance. Its dark nature results in poor contrast against typical light backgrounds, making it difficult for individuals with visual impairments to discern text or graphical elements. To ensure inclusivity, web developers should avoid using this color for text or important interactive elements unless paired with a very light or white contrasting color. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to meet WCAG guidelines. Using accessibility evaluation tools to test color combinations is crucial for ensuring optimal readability and usability for all users, including those with low vision or color blindness. Consider using a lighter shade or tint to improve accessibility.

Shades

Digital Color Formats

RGB
2 19 24
RGB2 19 24
Red
Green
Blue
HSL
193.64deg 84.62% 5.1%
193.6484.625.1HSL
Hue
Saturation
Lightness
HWB
193.64deg 0.78% 90.59%
193.640.7890.59HWB
Hue
Whiteness
Blackness
hex#021318
rgb2 19 24
hsl193.64deg 84.62% 5.1%
cmyk91.67% 20.83% 0% 90.59%
hwb193.64deg 0.78% 90.59%
xyz-d650 0.01 0.01
oklch0.1736 0.0272 217.58
oklab0.1736 -0.02 -0.02
CMYK
91.67% 20.83% 0% 90.59%
91.6720.83090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.1736 0.0272 217.58
0.17360.0272217.58LCH
Lightness
Chroma
Hue
OKLAB
0.1736 -0.02 -0.02
0.1736-0.02-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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