Blue Charcoal

#051115

General Information

The hexadecimal color code #051115, commonly referred to as Blue Charcoal, is a dark, desaturated shade of blue. It's composed of 1.96% red, 6.67% green, and 8.24% blue. In the RGB color space, it has values of R:5, G:17, and B:21. The CMYK representation is C:76, M:19, Y:0, K:92, indicating a high concentration of cyan and black. This color leans heavily towards the black end of the spectrum, creating a deep, muted tone reminiscent of charcoal with a subtle blue undertone. Its dark nature makes it suitable for backgrounds or accents where a subdued and sophisticated feel is desired. Blue Charcoal evokes a sense of calmness and stability, often associated with professionalism and elegance.

The hex color #051115, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its very dark nature. Its extremely low luminance results in poor contrast against most background colors, especially white or light shades. This can cause readability issues for users with visual impairments, including those with low vision or color blindness. According to WCAG guidelines, sufficient contrast is crucial for text and interactive elements to be easily perceivable. To ensure accessibility, this color should be paired with much lighter text or interface elements, and designers should use contrast checking tools to verify compliance with accessibility standards. A contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended to meet WCAG AA guidelines. Using this color sparingly and carefully considering its context can help mitigate potential accessibility issues.

Shades

Digital Color Formats

RGB
5 17 21
RGB5 17 21
Red
Green
Blue
HSL
195deg 61.54% 5.1%
19561.545.1HSL
Hue
Saturation
Lightness
HWB
195deg 1.96% 91.76%
1951.9691.76HWB
Hue
Whiteness
Blackness
hex#051115
rgb5 17 21
hsl195deg 61.54% 5.1%
cmyk76.19% 19.05% 0% 91.76%
hwb195deg 1.96% 91.76%
xyz-d650 0 0.01
oklch0.1679 0.0202 220.14
oklab0.1679 -0.02 -0.01
CMYK
76.19% 19.05% 0% 91.76%
76.1919.05091.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1679 0.0202 220.14
0.16790.0202220.14LCH
Lightness
Chroma
Hue
OKLAB
0.1679 -0.02 -0.01
0.1679-0.02-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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