Blue Charcoal

#011115

General Information about Blue Charcoal (#011115)

The hex color #011115, also known as Blue Charcoal, is a very dark, muted shade that sits between black and dark blue on the color spectrum. It is composed of 0.4% red, 6.7% green, and 8.2% blue. In the RGB color model, it has values of R:1, G:17, B:21. In the CMYK color model, its composition is C:95, M:19, Y:0, K:92. Blue Charcoal evokes feelings of sophistication, depth, and tranquility. Its dark nature lends itself well to creating a sense of understated elegance and can be used to add depth and contrast to designs. This color is often associated with night, shadows, and the mysteries of the deep sea, contributing to its enigmatic appeal. When used effectively, it offers a powerful visual anchor.

The hex color #011115, often described as Blue Charcoal, presents significant accessibility challenges due to its extremely low luminance. With such a dark shade, it's crucial to use light text colors to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between the text and background should be at least 4.5:1 for normal text and 3:1 for large text to meet AA standards. Given the darkness of #011115, only very light shades of white or yellow will likely meet these requirements. Therefore, always test the color combination with accessibility tools to avoid causing eye strain or readability issues for users, especially those with visual impairments. Consider using alternative, lighter background colors to enhance overall usability.

Shades

Digital Color Formats

RGB
1 17 21
RGB1 17 21
Red
Green
Blue
HSL
192 90.91% 4.31%
19290.914.31HSL
Hue
Saturation
Lightness
HWB
192 0.39% 91.76%
1920.3991.76HWB
Hue
Whiteness
Blackness
hex#011115
rgb1 17 21
hsl192 90.91% 4.31%
cmyk95.24% 19.05% 0% 91.76%
hwb192 0.39% 91.76%
xyz-d650 0 0.01
oklch0.1641 0.0266 213.48
oklab0.1641 -0.02 -0.01
CMYK
95.24% 19.05% 0% 91.76%
95.2419.05091.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1641 0.0266 213.48
0.16410.0266213.48LCH
Lightness
Chroma
Hue
OKLAB
0.1641 -0.02 -0.01
0.1641-0.02-0.01LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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