Cobalt

#0043CB

General Information about Cobalt Blue (#0043CB)

The hexadecimal color #0043CB, commonly known as Cobalt, is a vibrant and intense shade of blue. It is composed of 0% red, 26.3% green, and 79.6% blue. This color falls within the blue color spectrum and is often associated with feelings of calmness, stability, and trust. In color theory, cobalt blue is considered a cool color, making it suitable for creating a sense of tranquility and serenity. It's frequently used in graphic design, web development, and interior design to evoke these emotions. In different cultures, blue can represent various meanings, such as royalty, wisdom, or spirituality. The color code #0043CB indicates a high level of blue pigment, making it a strong and visually impactful choice. The color can be combined with other colors to create different moods and aesthetics.

The color #0043CB, a deep cobalt blue, presents several accessibility considerations for web design. Its strong saturation can cause issues for users with visual impairments if used improperly. When using this color for text, ensure a high contrast ratio with the background. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using a light yellow or white for text on a #0043CB background can achieve sufficient contrast. Avoid pairing this color with similar dark or desaturated colors, as this can make it difficult for users to distinguish elements. Provide alternative cues, such as icons or text labels, in addition to color to convey information. Consider users with color blindness by testing your design with color blindness simulators to ensure that important information is still conveyed effectively.

Shades

Digital Color Formats

RGB
0 67 203
RGB0 67 203
Red
Green
Blue
HSL
220.2deg 100% 39.8%
220.210039.8HSL
Hue
Saturation
Lightness
HWB
220.2deg 0% 20.39%
220.2020.39HWB
Hue
Whiteness
Blackness
hex#0043CB
rgb0 67 203
hsl220.2deg 100% 39.8%
cmyk100% 67% 0% 20.39%
hwb220.2deg 0% 20.39%
xyz-d650.13 0.08 0.57
oklch0.451 0.2174 262.53
oklab0.451 -0.03 -0.22
CMYK
100% 67% 0% 20.39%
10067020.39CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.08 0.57
0.130.080.57XYZ
X
Y
Z
OKLCH
0.451 0.2174 262.53
0.4510.2174262.53LCH
Lightness
Chroma
Hue
OKLAB
0.451 -0.03 -0.22
0.451-0.03-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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