Cobalt

#0042B4

General Information about Cobalt

Cobalt, represented by the hexadecimal color code #0042B4, is a deep, saturated shade of blue. It is named after the element cobalt, which was historically used to produce blue pigments in glass and ceramics. This color is often associated with qualities such as stability, intelligence, trust, and serenity. In color psychology, blue is known to evoke feelings of calmness and security, making Cobalt a popular choice for brands and designs aiming to project these attributes. Its intensity and depth make it visually striking, but it's essential to use it thoughtfully to avoid overwhelming or fatiguing the viewer. The exact shade can vary slightly depending on the color space and display settings.

The color #0042B4, also known as Cobalt, presents some accessibility challenges, especially when used as a background color for text. Due to its dark nature, it requires a light-colored text (white or a very light shade of yellow, for instance) to ensure sufficient contrast. The contrast ratio between #0042B4 and black is quite low, making black text on a Cobalt background nearly illegible for many users, especially those with visual impairments. WCAG (Web Content Accessibility Guidelines) recommends a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text to meet AA compliance. When using Cobalt, it is crucial to test the color combinations with accessibility tools to verify compliance with these standards. Also, avoid using #0042B4 as the sole means of conveying information; always provide alternative cues, such as icons or text labels, to ensure that the content is accessible to all users, including those with color blindness.

Shades

Digital Color Formats

RGB
0 66 180
RGB0 66 180
Red
Green
Blue
HSL
218 100% 35.29%
21810035.29HSL
Hue
Saturation
Lightness
HWB
218 0% 29.41%
218029.41HWB
Hue
Whiteness
Blackness
hex#0042B4
rgb0 66 180
hsl218 100% 35.29%
cmyk100% 63.33% 0% 29.41%
hwb218 0% 29.41%
xyz10.19 7.19 44.03
CMYK
100% 63.33% 0% 29.41%
10063.33029.41CMYK
Cyan
Magenta
Yellow
Key
XYZ
10.19 7.19 44.03
10.197.1944.03XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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