Blue Charcoal

#011011

General Information about #011011

The color #011011, also known as Blue Charcoal, is a very dark, muted shade of blue. It's composed of 0.4% red, 6.3% green, and 6.7% blue. In the RGB color model, it is represented as rgb(1, 16, 17). The equivalent CMYK values are C:0.94, M:0.06, Y:0.00, K:0.93. This color conveys a sense of calmness, sophistication, and understated elegance. It's often associated with reliability and professionalism. Due to its darkness, it should be used carefully in designs, particularly for text, to ensure sufficient contrast and readability. Its muted nature makes it a versatile color that can be paired with both bright and neutral shades to create a variety of effects.

The hex color #011011, also known as Blue Charcoal, presents significant accessibility challenges due to its low luminance. Its dark nature results in very low contrast against typical light backgrounds, such as white (#FFFFFF). This severely impacts readability and usability for individuals with visual impairments, including those with low vision or color blindness. According to WCAG (Web Content Accessibility Guidelines) standards, sufficient contrast is crucial for text and interactive elements. To ensure accessibility, it's essential to pair #011011 with much lighter colors that provide a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Using tools to evaluate contrast ratios is highly recommended during the design process. Furthermore, avoid relying solely on color to convey important information, as users might not be able to distinguish it.

Shades

Digital Color Formats

RGB
1 16 17
RGB1 16 17
Red
Green
Blue
HSL
183.75deg 88.89% 3.53%
183.7588.893.53HSL
Hue
Saturation
Lightness
HWB
183.75deg 0.39% 93.33%
183.750.3993.33HWB
Hue
Whiteness
Blackness
hex#011011
rgb1 16 17
hsl183.75deg 88.89% 3.53%
cmyk94.12% 5.88% 0% 93.33%
hwb183.75deg 0.39% 93.33%
xyz-d650 0 0.01
oklch0.1583 0.0247 199.92
oklab0.1583 -0.02 -0.01
CMYK
94.12% 5.88% 0% 93.33%
94.125.88093.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1583 0.0247 199.92
0.15830.0247199.92LCH
Lightness
Chroma
Hue
OKLAB
0.1583 -0.02 -0.01
0.1583-0.02-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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