Blue Charcoal

#021216

General Information about Blue Charcoal (#021216)

The hex color #021216, also known as Blue Charcoal, is a very dark shade of cyan-blue. It is composed of 0.78% red, 7.06% green, and 8.63% blue. In the RGB color model, this translates to R:2, G:18, B:22. The corresponding CMYK color code is C:90, M:18, Y:0, K:91. Its primary attribute is its low luminance, contributing to its muted and sophisticated appearance. Blue Charcoal evokes a sense of depth, calm, and understated elegance. Because of its darkness, it's often used to create a modern or sophisticated aesthetic, but it should be used carefully to ensure accessibility and readability in design applications. The color is close to black, and might be confused with a black color.

The hex color #021216, also known as Blue Charcoal, presents significant accessibility challenges, particularly for users with visual impairments. Its extremely low luminance value makes it difficult to distinguish text or elements using this color against most backgrounds, including white. A very high contrast ratio is crucial when using this color. Ensuring a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text, as defined by WCAG guidelines, is essential. Using tools to check color contrast is highly recommended before deploying designs with #021216. Consider pairing it with much lighter colors to meet accessibility standards and provide a better user experience. It is also recommended to provide alternative visual cues, such as underlines or icons, to convey information that might be lost due to poor color contrast.

Shades

Digital Color Formats

RGB
2 18 22
RGB2 18 22
Red
Green
Blue
HSL
192 83.33% 4.71%
19283.334.71HSL
Hue
Saturation
Lightness
HWB
192 0.78% 91.37%
1920.7891.37HWB
Hue
Whiteness
Blackness
hex#021216
rgb2 18 22
hsl192 83.33% 4.71%
cmyk90.91% 18.18% 0% 91.37%
hwb192 0.78% 91.37%
xyz-d650 0.01 0.01
oklch0.1691 0.0257 214.14
oklab0.1691 -0.02 -0.01
CMYK
90.91% 18.18% 0% 91.37%
90.9118.18091.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.1691 0.0257 214.14
0.16910.0257214.14LCH
Lightness
Chroma
Hue
OKLAB
0.1691 -0.02 -0.01
0.1691-0.02-0.01LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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