Blue Charcoal

#030818

General Information about Blue Charcoal (#030818)

The color #030818, known as Blue Charcoal, is a very dark shade of blue with minimal saturation and very low lightness. It belongs to the blue color family but leans towards near-black due to its darkness. In the RGB color model, it is composed of 1.18% red, 3.14% green, and 9.41% blue. In the HSV (HSB) color space, it has a hue of 216 degrees, a saturation of 87.5%, and a brightness value of 9%. This color is often associated with sophistication, depth, and a sense of calmness due to its resemblance to dark, quiet environments. It is not a common color choice for primary branding, but may be used as a secondary color for backgrounds.

The hex color #030818, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its extremely low luminance. The contrast ratio against white text is very poor, making it difficult for users with visual impairments to read content. To improve accessibility, it is crucial to use a much lighter text color, aiming for a contrast ratio that meets WCAG (Web Content Accessibility Guidelines) standards, ideally a minimum of 4.5:1 for normal text and 3:1 for large text. Avoid using this color for critical interactive elements or important informational graphics without careful consideration of contrast. Implementing alternative color schemes that provide better contrast will greatly enhance the usability for a wider range of users, including those with low vision or color blindness. Always test color combinations with accessibility evaluation tools to ensure compliance.

Shades

Digital Color Formats

RGB
3 8 24
RGB3 8 24
Red
Green
Blue
HSL
225.71deg 77.78% 5.29%
225.7177.785.29HSL
Hue
Saturation
Lightness
HWB
225.71deg 1.18% 90.59%
225.711.1890.59HWB
Hue
Whiteness
Blackness
hex#030818
rgb3 8 24
hsl225.71deg 77.78% 5.29%
cmyk87.5% 66.67% 0% 90.59%
hwb225.71deg 1.18% 90.59%
xyz-d650 0 0.01
oklch0.1386 0.0373 263.82
oklab0.1386 0 -0.04
CMYK
87.5% 66.67% 0% 90.59%
87.566.67090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1386 0.0373 263.82
0.13860.0373263.82LCH
Lightness
Chroma
Hue
OKLAB
0.1386 0 -0.04
0.13860-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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