Blue Charcoal

#000517

General Information about #000517

The hex color code #000517 represents a very dark shade of blue, often referred to as Blue Charcoal. It's composed of 0% red, 1.96% green, and 8.92% blue, making it predominantly a blue hue with minimal contributions from red and green. Due to its low RGB values, the color appears almost black to the human eye. In the RGB color space, its values are R:0, G:5, B:23. This color is often associated with feelings of depth, formality, and sophistication. Its darkness makes it suitable for backgrounds where a subtle yet elegant feel is desired. In terms of color theory, Blue Charcoal can be used to create contrast with lighter colors, allowing for a visually striking composition.

The hex color #000517, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its extremely dark nature. Its low luminance value means that it requires very light text or foreground elements to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text to meet Level AA compliance. Given the darkness of #000517, careful consideration must be given to the color choices for text, icons, and other interactive elements. Designers should use contrast checking tools to verify that their color combinations meet accessibility standards. Moreover, it's essential to provide alternative visual cues, such as underlines or icons, for links and interactive elements to assist users who may have difficulty distinguishing colors. Avoid using this color for important visual information without providing redundant cues.

Shades

Digital Color Formats

RGB
0 5 23
RGB0 5 23
Red
Green
Blue
HSL
226.96deg 100% 4.51%
226.961004.51HSL
Hue
Saturation
Lightness
HWB
226.96deg 0% 90.98%
226.96090.98HWB
Hue
Whiteness
Blackness
hex#000517
rgb0 5 23
hsl226.96deg 100% 4.51%
cmyk100% 78.26% 0% 90.98%
hwb226.96deg 0% 90.98%
xyz-d650 0 0.01
oklch0.1212 0.0458 258.48
oklab0.1212 -0.01 -0.04
CMYK
100% 78.26% 0% 90.98%
10078.26090.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1212 0.0458 258.48
0.12120.0458258.48LCH
Lightness
Chroma
Hue
OKLAB
0.1212 -0.01 -0.04
0.1212-0.01-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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