Dark Blue

#0400CA

General Information about #0400CA

The hex color #0400CA, also known as a very dark shade of blue, is composed of 1.57% red, 0% green, and 79.22% blue. In the RGB color model, it has values of R:4, G:0, B:202. In the CMYK color model, it is composed of 98% cyan, 100% magenta, 0% yellow, and 21% black. Its hue angle is 241.2 degrees, its saturation is 100%, and its lightness is 39.6%. This color is often associated with depth, stability, and intelligence. Due to its high blue concentration, it can evoke feelings of calmness and serenity, but also sadness or melancholy when used excessively. The hex color system is a way of defining colors using hexadecimal values, which are commonly used in web design and graphic design. Understanding the composition of a color like #0400CA can help designers make informed decisions about how to use it effectively in their projects.

The hex color #0400ca, a deep, dark blue, presents significant accessibility challenges, especially when used for text or interactive elements. Its extremely low luminance creates very poor contrast against light backgrounds, making it difficult for users with visual impairments to discern content. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. To ensure accessibility, this color should ideally be paired with very light colors, such as white or very pale yellows, to meet minimum contrast ratios. Using tools to check contrast ratios is highly recommended before deploying this color in a design. In scenarios where achieving sufficient contrast is difficult, consider using a lighter shade of blue or implementing alternative visual cues to convey information. Furthermore, avoid using this color as the sole indicator of interactive elements, as colorblind users may not be able to distinguish it.

Shades

Digital Color Formats

RGB
4 0 202
RGB4 0 202
Red
Green
Blue
HSL
241.19deg 100% 39.61%
241.1910039.61HSL
Hue
Saturation
Lightness
HWB
241.19deg 0% 20.78%
241.19020.78HWB
Hue
Whiteness
Blackness
hex#0400CA
rgb4 0 202
hsl241.19deg 100% 39.61%
cmyk98.02% 100% 0% 20.78%
hwb241.19deg 0% 20.78%
xyz-d650.11 0.04 0.56
oklch0.38 0.2622 264.52
oklab0.38 -0.03 -0.26
CMYK
98.02% 100% 0% 20.78%
98.02100020.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.04 0.56
0.110.040.56XYZ
X
Y
Z
OKLCH
0.38 0.2622 264.52
0.380.2622264.52LCH
Lightness
Chroma
Hue
OKLAB
0.38 -0.03 -0.26
0.38-0.03-0.26LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons