Cobalt

#0051B4

General Information

Cobalt, represented by the hexadecimal color code #0051B4, is a deep and vibrant shade of blue. It's characterized by its strong presence and association with qualities like stability, trustworthiness, and authority. In the RGB color model, Cobalt consists of 0% red, 32% green, and 71% blue. This composition places it firmly within the blue spectrum, with a notable intensity. Cobalt is often used in contexts where a sense of formality and dependability is desired, making it a popular choice for corporate branding, government institutions, and financial services. Its rich hue can also evoke feelings of calmness and serenity, contributing to its versatility across various design applications. The name "Cobalt" originates from the German word "kobold," referring to a goblin-like spirit, due to the difficulties encountered when mining it.

The hex color #0051B4, also known as Cobalt, presents specific accessibility considerations for web developers. Its relatively low luminance value means it requires careful pairing with text and background colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using #0051B4 as a background, white or very light colors are preferable for text. Conversely, if it's used for text, ensure the background is a light hue. Tools like contrast checkers can accurately assess compliance. Furthermore, avoid relying solely on color to convey information; supplement color cues with text labels or icons for users with color vision deficiencies. Thoughtful application of #0051B4 enhances inclusivity and usability.

Shades

Digital Color Formats

RGB
0 81 180
RGB0 81 180
Red
Green
Blue
HSL
213 100% 35.29%
21310035.29HSL
Hue
Saturation
Lightness
HWB
213 0% 29.41%
213029.41HWB
Hue
Whiteness
Blackness
hex#0051B4
rgb0 81 180
hsl213 100% 35.29%
cmyk100% 55% 0% 29.41%
hwb213 0% 29.41%
xyz11.18 9.18 44.36
CMYK
100% 55% 0% 29.41%
10055029.41CMYK
Cyan
Magenta
Yellow
Key
XYZ
11.18 9.18 44.36
11.189.1844.36XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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