Blue Charcoal

#021418

General Information about Blue Charcoal (#021418)

#021418, also known as Blue Charcoal, is a very dark, desaturated shade of cyan. In the RGB color model, it is composed of 0.78% red, 7.84% green, and 9.41% blue. In the CMYK color model, it is made up of 92% cyan, 17% magenta, 0% yellow, and 91% black. Its hex code is #021418. This color is often associated with sophistication and subtlety due to its dark and muted nature. Because of its low brightness and saturation it is generally avoided to use this color as a background color. Because of the very low red, green and blue channel values, it appears almost black.

The hex color #021418, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its extremely low luminance. Its dark nature results in very poor contrast against standard white backgrounds, making it difficult for users, especially those with visual impairments, to read text or distinguish interface elements. To ensure accessibility, it's crucial to pair this color with very light shades. Using a color contrast checker is highly recommended to verify compliance with WCAG guidelines, aiming for a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Consideration should be given to providing alternative high-contrast themes or allowing users to customize colors to meet their individual needs and preferences. This can drastically improve usability for a wider audience.

Shades

Digital Color Formats

RGB
2 20 24
RGB2 20 24
Red
Green
Blue
HSL
190.91deg 84.62% 5.1%
190.9184.625.1HSL
Hue
Saturation
Lightness
HWB
190.91deg 0.78% 90.59%
190.910.7890.59HWB
Hue
Whiteness
Blackness
hex#021418
rgb2 20 24
hsl190.91deg 84.62% 5.1%
cmyk91.67% 16.67% 0% 90.59%
hwb190.91deg 0.78% 90.59%
xyz-d650 0.01 0.01
oklch0.177 0.0273 212.74
oklab0.177 -0.02 -0.01
CMYK
91.67% 16.67% 0% 90.59%
91.6716.67090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.177 0.0273 212.74
0.1770.0273212.74LCH
Lightness
Chroma
Hue
OKLAB
0.177 -0.02 -0.01
0.177-0.02-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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