Cobalt

#0040CA

General Information about Cobalt

The color #0040CA, commonly known as Cobalt, is a deep and rich shade of blue. In the RGB color model, it consists of 0% red, 25.1% green, and 79.2% blue. This hexadecimal color is often associated with feelings of trust, stability, and authority, making it a popular choice for branding in various industries. Cobalt derives its name from the German word 'kobalt,' historically associated with spirits or goblins because miners found it difficult to extract valuable metals from cobalt-containing ores. Cobalt blue pigment was first synthesized in the early 19th century and quickly became a favorite among artists due to its intense color and stability. Today, Cobalt continues to be widely used in paints, dyes, and digital displays.

The color #0040CA, also known as Cobalt, presents some accessibility challenges, particularly regarding color contrast. When used as text against a white background, it may not meet the WCAG (Web Content Accessibility Guidelines) AA standard for contrast ratio, making it difficult for users with visual impairments to read. To improve accessibility, consider pairing it with lighter backgrounds or using it for larger text elements. Using Cobalt for interactive elements such as buttons or links, requires careful consideration of the contrast ratio to ensure they are easily identifiable. It's beneficial to add visual cues, like an underline or a border to increase visibility and ensure usability. It's also beneficial to provide alternatives and ensure the website is accessible.

Shades

Digital Color Formats

RGB
0 64 202
RGB0 64 202
Red
Green
Blue
HSL
220.99deg 100% 39.61%
220.9910039.61HSL
Hue
Saturation
Lightness
HWB
220.99deg 0% 20.78%
220.99020.78HWB
Hue
Whiteness
Blackness
hex#0040CA
rgb0 64 202
hsl220.99deg 100% 39.61%
cmyk100% 68.32% 0% 20.78%
hwb220.99deg 0% 20.78%
xyz-d650.12 0.08 0.57
oklch0.4448 0.2196 262.8
oklab0.4448 -0.03 -0.22
CMYK
100% 68.32% 0% 20.78%
10068.32020.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.08 0.57
0.120.080.57XYZ
X
Y
Z
OKLCH
0.4448 0.2196 262.8
0.44480.2196262.8LCH
Lightness
Chroma
Hue
OKLAB
0.4448 -0.03 -0.22
0.4448-0.03-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons