Blue Charcoal

#000F1B

General Information about Blue Charcoal

The hexadecimal color code #000F1B, also recognized as Blue Charcoal, signifies a very dark shade of cyan-blue. It is composed of 0% red, 5.9% green, and 10.6% blue. In the RGB color model, #000F1B consists of 0 red, 15 green, and 27 blue. This color is characterized by its low saturation and luminance values, making it appear almost black with subtle blue undertones. Due to its darkness, it is often used in designs where a strong contrast is desired. The color creates a sense of depth and sophistication, fitting well in both digital and print applications that require a muted and elegant palette. Its subtle nature makes it suitable as a background that doesn't distract from the foreground elements.

The color #000F1B, also known as Blue Charcoal, presents significant accessibility challenges due to its extremely low luminance. Its very dark nature results in poor contrast against standard light backgrounds, making text and other visual elements difficult to discern for users, especially those with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. To improve accessibility, it is highly recommended to pair this color with very light shades, such as white or pale yellow, to ensure a contrast ratio that meets the minimum requirements for text and non-text elements. Additionally, avoid using this color for critical interactive elements without clear visual cues and labels.

Shades

Digital Color Formats

RGB
0 15 27
RGB0 15 27
Red
Green
Blue
HSL
206.67deg 100% 5.29%
206.671005.29HSL
Hue
Saturation
Lightness
HWB
206.67deg 0% 89.41%
206.67089.41HWB
Hue
Whiteness
Blackness
hex#000F1B
rgb0 15 27
hsl206.67deg 100% 5.29%
cmyk100% 44.44% 0% 89.41%
hwb206.67deg 0% 89.41%
xyz-d650 0 0.01
oklch0.1603 0.0362 239.17
oklab0.1603 -0.02 -0.03
CMYK
100% 44.44% 0% 89.41%
10044.44089.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1603 0.0362 239.17
0.16030.0362239.17LCH
Lightness
Chroma
Hue
OKLAB
0.1603 -0.02 -0.03
0.1603-0.02-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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