Blue Charcoal

#020817

General Information about Blue Charcoal

The hexadecimal color code #020817, also known as Blue Charcoal, represents a very dark shade of blue. In the RGB color model, it is composed of 0.78% red, 3.14% green, and 9.02% blue. This color is frequently described as a muted and deep tone, evoking feelings of calmness and sophistication. It's commonly used in design contexts where a subtle, non-intrusive background is desired. The low saturation and brightness values contribute to its understated appearance. This color can be used to create a high end modern look. Blue Charcoal is often employed in user interfaces and graphical design to provide a dark mode aesthetic or to create a sense of depth. The color is mostly used for backgrounds and less for fonts.

The color #020817, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its very low luminance. With such a dark hue, ensuring sufficient contrast against text or other interactive elements is paramount. The Web Content Accessibility Guidelines (WCAG) require specific contrast ratios to ensure readability and usability for individuals with visual impairments. To meet these guidelines, it's crucial to pair this color with very light text or interface elements. For example, using white or very pale shades of yellow or green can create the necessary contrast. Furthermore, when using this color as a background, avoid placing critical information or interactive elements on it without careful consideration of contrast. Employing tools that measure contrast ratios can help designers and developers verify compliance with accessibility standards, ultimately creating a more inclusive and user-friendly experience.

Shades

Digital Color Formats

RGB
2 8 23
RGB2 8 23
Red
Green
Blue
HSL
222.86deg 84% 4.9%
222.86844.9HSL
Hue
Saturation
Lightness
HWB
222.86deg 0.78% 90.98%
222.860.7890.98HWB
Hue
Whiteness
Blackness
hex#020817
rgb2 8 23
hsl222.86deg 84% 4.9%
cmyk91.3% 65.22% 0% 90.98%
hwb222.86deg 0.78% 90.98%
xyz-d650 0 0.01
oklch0.1363 0.0364 259.22
oklab0.1363 -0.01 -0.04
CMYK
91.3% 65.22% 0% 90.98%
91.365.22090.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1363 0.0364 259.22
0.13630.0364259.22LCH
Lightness
Chroma
Hue
OKLAB
0.1363 -0.01 -0.04
0.1363-0.01-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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