Blue Charcoal

#000A12

General Information about Blue Charcoal

The hex color #000A12, often referred to as Blue Charcoal, is a very dark, muted shade of blue. It is composed of 0% red, 3.92% green, and 7.06% blue. In the RGB color space, it has values of R:0, G:10, and B:18. The color is perceived as a very deep and subtle blue, often associated with feelings of calmness, sophistication, and depth. Due to its low brightness, it is important to use this color carefully in designs, ensuring adequate contrast with other elements to maintain readability and usability. Blue Charcoal can be a versatile choice for backgrounds, text, or accents, offering a refined and understated aesthetic when used effectively. Its hexadecimal format makes it easily implementable in web design and digital art applications, providing a consistent and precise color definition across different platforms and devices. Careful planning is crucial to leverage the color's aesthetic potential.

The hex color #000a12, also known as Blue Charcoal, presents significant accessibility challenges due to its very low luminance. Its dark nature means that text or interactive elements rendered in this color require extremely light foreground colors to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using #000a12 as a background without careful consideration of foreground colors can lead to a poor user experience, especially for individuals with visual impairments. Designers and developers should prioritize contrast checks to adhere to accessibility standards, and consider alternative, lighter colors if contrast targets cannot be met effectively. Tools like contrast checkers can help to verify compliance.

Shades

Digital Color Formats

RGB
0 10 18
RGB0 10 18
Red
Green
Blue
HSL
206.67deg 100% 3.53%
206.671003.53HSL
Hue
Saturation
Lightness
HWB
206.67deg 0% 92.94%
206.67092.94HWB
Hue
Whiteness
Blackness
hex#000A12
rgb0 10 18
hsl206.67deg 100% 3.53%
cmyk100% 44.44% 0% 92.94%
hwb206.67deg 0% 92.94%
xyz-d650 0 0.01
oklch0.1363 0.0283 233.38
oklab0.1363 -0.02 -0.02
CMYK
100% 44.44% 0% 92.94%
10044.44092.94CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1363 0.0283 233.38
0.13630.0283233.38LCH
Lightness
Chroma
Hue
OKLAB
0.1363 -0.02 -0.02
0.1363-0.02-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons