Cobalt

#0345B1

General Information about Cobalt (#0345B1)

The hexadecimal color code #0345B1 represents a specific shade of blue, often referred to as Cobalt. It's composed of 1.18% red, 27.06% green, and 69.41% blue. In the RGB color model, this translates to 3 red, 69 green, and 177 blue. The corresponding CMYK color code is 0.98, 0.61, 0.00, 0.31, indicating a high proportion of cyan and magenta, with a lack of yellow. This results in a deep and vibrant blue hue. The color is frequently associated with qualities like stability, trust, intelligence, and sophistication. Cobalt blue has a rich history, having been used in art, fashion, and design for centuries. Its unique tonal qualities make it a versatile color suitable for a wide range of applications. The color has also symbolic association with the element Cobalt in chemistry.

The color #0345B1, also known as Cobalt, presents several accessibility considerations for web developers. With a very dark hue, its contrast against a white background is generally sufficient for readability. However, it is crucial to ensure that when used as a background color, the foreground text is light enough to meet WCAG (Web Content Accessibility Guidelines) standards, specifically a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. When using this color for interactive elements like buttons or links, providing clear visual cues like hover effects or underlines becomes vital, as relying solely on color might exclude users with visual impairments. It's also advisable to avoid using this color as the only means of conveying information, such as error messages or status indicators, as colorblind users may not perceive the intended meaning. Utilizing supplementary cues like icons or text labels can significantly improve accessibility. Also, testing the color scheme with accessibility tools to simulate different types of visual impairments and ensure compliance with accessibility standards is highly recommended.

Shades

Digital Color Formats

RGB
3 69 177
RGB3 69 177
Red
Green
Blue
HSL
217.24deg 96.67% 35.29%
217.2496.6735.29HSL
Hue
Saturation
Lightness
HWB
217.24deg 1.18% 30.59%
217.241.1830.59HWB
Hue
Whiteness
Blackness
hex#0345B1
rgb3 69 177
hsl217.24deg 96.67% 35.29%
cmyk98.31% 61.02% 0% 30.59%
hwb217.24deg 1.18% 30.59%
xyz-d650.1 0.07 0.43
oklch0.4302 0.182 261
oklab0.4302 -0.03 -0.18
CMYK
98.31% 61.02% 0% 30.59%
98.3161.02030.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.1 0.07 0.43
0.10.070.43XYZ
X
Y
Z
OKLCH
0.4302 0.182 261
0.43020.182261LCH
Lightness
Chroma
Hue
OKLAB
0.4302 -0.03 -0.18
0.4302-0.03-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons