Blue Charcoal

#04071A

General Information about Blue Charcoal (#04071A)

The hex color #04071A, often referred to as Blue Charcoal, is a very dark shade residing in the blue-black color family. It consists of 1.57% red, 2.75% green, and 10.2% blue. In the RGB color space, it translates to (4, 7, 26). The color is perceived as a muted and deep tone, evoking feelings of sophistication and reserve. Due to its high concentration of blue and low overall brightness, it tends to lean towards the cooler end of the color spectrum. Blue Charcoal's darkness makes it suitable for backgrounds or as an accent color when paired with lighter hues. In print media, its CMYK representation is approximately 85% cyan, 73% magenta, 0% yellow, and 90% black. Its low luminosity value of 0.007 suggests it should be used judiciously to ensure readability and accessibility in visual designs.

The hex color #04071A, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its very low luminance. This darkness makes it difficult to achieve sufficient contrast with text or other elements, especially for users with visual impairments or those viewing content in brightly lit environments. To ensure accessibility, it is crucial to use this color sparingly, if at all, for backgrounds or large areas. When using #04071A, pair it exclusively with very light colors like white (#FFFFFF) or pale yellows to meet WCAG (Web Content Accessibility Guidelines) contrast ratios. Consider using contrast checking tools to verify compliance. Avoid using this color for text, icons, or interactive elements unless the contrast can be rigorously tested and confirmed to be adequate for all users. Furthermore, provide alternative styling options for users who may need to customize the color scheme for better readability.

Shades

Digital Color Formats

RGB
4 7 26
RGB4 7 26
Red
Green
Blue
HSL
231.82 73.33% 5.88%
231.8273.335.88HSL
Hue
Saturation
Lightness
HWB
231.82 1.57% 89.8%
231.821.5789.8HWB
Hue
Whiteness
Blackness
hex#04071A
rgb4 7 26
hsl231.82 73.33% 5.88%
cmyk84.62% 73.08% 0% 89.8%
hwb231.82 1.57% 89.8%
xyz-d650 0 0.01
oklch0.1385 0.0424 270.52
oklab0.1385 0 -0.04
CMYK
84.62% 73.08% 0% 89.8%
84.6273.08089.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1385 0.0424 270.52
0.13850.0424270.52LCH
Lightness
Chroma
Hue
OKLAB
0.1385 0 -0.04
0.13850-0.04LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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