Blue Charcoal

#000911

General Information

The hex color #000911, also known as Blue Charcoal, is a very dark shade of blue that is close to black. It's composed of 0% red, 3.53% green, and 6.67% blue. In the RGB color space, it has values of R:0, G:9, B:17. The CMYK representation is C:1, M:0.47, Y:0, K:0.93. This color is often associated with sophistication, depth, and mystery. Due to its darkness, it reflects very little light and absorbs most of it, leading to its muted and understated appearance. It belongs to the family of dark blues and can be used to create a subtle and elegant impression. Blue Charcoal is perceived as a stable and reliable color, and it is a popular choice for backgrounds and accents.

The hex color #000911, also known as Blue Charcoal, presents significant accessibility challenges, particularly for users with visual impairments. Its extremely low luminance value means that text or graphical elements rendered in this color will have very poor contrast against almost any background. According to WCAG (Web Content Accessibility Guidelines) standards, sufficient contrast is crucial for readability and usability. To ensure accessibility, it's imperative to use #000911 sparingly and only in conjunction with very light colors that provide a high contrast ratio. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Always test color combinations with accessibility tools to verify compliance with WCAG guidelines. Avoid using #000911 for essential information or interactive elements unless paired with a highly contrasting color.

Shades

Digital Color Formats

RGB
0 9 17
RGB0 9 17
Red
Green
Blue
HSL
208.24 100% 3.33%
208.241003.33HSL
Hue
Saturation
Lightness
HWB
208.24 0% 93.33%
208.24093.33HWB
Hue
Whiteness
Blackness
hex#000911
rgb0 9 17
hsl208.24 100% 3.33%
cmyk100% 47.06% 0% 93.33%
hwb208.24 0% 93.33%
xyz0.2 0.24 0.57
CMYK
100% 47.06% 0% 93.33%
10047.06093.33CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.2 0.24 0.57
0.20.240.57XYZ
X
Y
Z

Alternative colors

Applications

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