Blue Charcoal

#000A15

General Information about Blue Charcoal

The hex color #000A15, also known as Blue Charcoal, is a very dark shade of blue. In the RGB color model, it is composed of 0 red, 10 green, and 21 blue. This translates to a numerical representation of (0, 10, 21). In the world of color theory, Blue Charcoal evokes feelings of sophistication, depth, and tranquility. It is often associated with professionalism and can be used to create a sense of understated elegance. The color is perceived as serious and reliable, making it suitable for branding and design where these qualities are desired. The low luminance value contributes to its dark appearance, making it a subtle yet impactful color choice. Its dark nature makes it ideal for providing contrast when paired with lighter colors.

The hex color #000A15, also known as Blue Charcoal, presents some accessibility challenges due to its low lightness value. With a very dark hue, it typically requires light-colored text for sufficient contrast to meet WCAG (Web Content Accessibility Guidelines) standards. For body text, it's crucial to use a text color with a high contrast ratio (ideally 4.5:1 for normal text and 3:1 for large text). When using this color for backgrounds, ensure that all interactive elements like buttons and links are clearly distinguishable, perhaps through the use of borders or other visual cues. Consider providing alternative color schemes for users with visual impairments, as relying solely on color to convey information can exclude individuals with color blindness. Thoroughly test your color combinations with accessibility tools to ensure usability for all users.

Shades

Digital Color Formats

RGB
0 10 21
RGB0 10 21
Red
Green
Blue
HSL
211.43 100% 4.12%
211.431004.12HSL
Hue
Saturation
Lightness
HWB
211.43 0% 91.76%
211.43091.76HWB
Hue
Whiteness
Blackness
hex#000A15
rgb0 10 21
hsl211.43 100% 4.12%
cmyk100% 52.38% 0% 91.76%
hwb211.43 0% 91.76%
xyz0.24 0.27 0.75
CMYK
100% 52.38% 0% 91.76%
10052.38091.76CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.24 0.27 0.75
0.240.270.75XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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