Blue Charcoal

#040A20

General Information about Blue Charcoal (#040A20)

#040A20, commonly known as Blue Charcoal, is a very dark shade of blue, bordering on black. It evokes feelings of sophistication, mystery, and depth. In the RGB color model, it is composed of 1.57% red, 3.92% green, and 12.55% blue. This color is often associated with professionalism and can be used to create a sense of seriousness and authority. In branding, Blue Charcoal is often used to convey trustworthiness and reliability. Its hex code, #040A20, makes it easy to specify in web design and graphic design applications. Because of its low luminance, it is essential to use this color carefully to ensure accessibility, especially when choosing text colors.

The hex color #040A20, also known as Blue Charcoal, presents significant accessibility challenges, particularly regarding color contrast. When used as a background color, it's crucial to select foreground text colors that provide sufficient contrast to ensure readability for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Given the darkness of #040A20, lighter colors like white, light gray, or even pale yellow should be considered for text. Tools are available online to measure the contrast ratio between color pairs, which web developers should utilize to ensure compliance with accessibility standards. It's also important to avoid using #040A20 for crucial interactive elements without sufficient contrast, as this can hinder usability for many users, including those with low vision or color blindness.

Shades

Digital Color Formats

RGB
4 10 32
RGB4 10 32
Red
Green
Blue
HSL
227.14 77.78% 7.06%
227.1477.787.06HSL
Hue
Saturation
Lightness
HWB
227.14 1.57% 87.45%
227.141.5787.45HWB
Hue
Whiteness
Blackness
hex#040A20
rgb4 10 32
hsl227.14 77.78% 7.06%
cmyk87.5% 68.75% 0% 87.45%
hwb227.14 1.57% 87.45%
xyz0.42 0.35 1.41
CMYK
87.5% 68.75% 0% 87.45%
87.568.75087.45CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.42 0.35 1.41
0.420.351.41XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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