Blue Charcoal

#04121A

General Information About Blue Charcoal

Blue Charcoal, represented by the hexadecimal color code #04121A, is a very dark shade of blue that is close to black. It is composed of 1.57% red, 7.06% green, and 10.2% blue. This color resides in the lower end of the color spectrum, characterized by its low luminance and saturation. In the RGB color space, it is defined by the values R:4, G:18, and B:26. Blue Charcoal can evoke feelings of sophistication, depth, and mystery, depending on its context and application. Due to its high density of dark pigments, it absorbs a significant amount of light. It is often utilized to create a sense of calm and elegance, but it's crucial to consider accessibility factors, such as contrast, to ensure usability.

The color #04121A, also known as Blue Charcoal, presents significant accessibility challenges due to its very dark nature. Its extremely low luminance results in poor contrast against typical light-colored backgrounds, such as white or light gray. This makes text and other visual elements difficult to read for individuals with visual impairments, including those with low vision or color blindness. To ensure accessibility, it's crucial to pair this color with very light shades. Adhering to WCAG (Web Content Accessibility Guidelines) contrast ratio requirements is essential. Using online contrast checkers is highly recommended to verify sufficient contrast before deploying this color in user interfaces or web designs. Furthermore, avoid using this color for critical information or interactive elements without careful consideration of contrast and alternative visual cues.

Shades

Digital Color Formats

RGB
4 18 26
RGB4 18 26
Red
Green
Blue
HSL
201.82 73.33% 5.88%
201.8273.335.88HSL
Hue
Saturation
Lightness
HWB
201.82 1.57% 89.8%
201.821.5789.8HWB
Hue
Whiteness
Blackness
hex#04121A
rgb4 18 26
hsl201.82 73.33% 5.88%
cmyk84.62% 30.77% 0% 89.8%
hwb201.82 1.57% 89.8%
xyz-d650 0.01 0.01
oklch0.1733 0.0269 233.65
oklab0.1733 -0.02 -0.02
CMYK
84.62% 30.77% 0% 89.8%
84.6230.77089.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.1733 0.0269 233.65
0.17330.0269233.65LCH
Lightness
Chroma
Hue
OKLAB
0.1733 -0.02 -0.02
0.1733-0.02-0.02LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

Buttons