Cobalt

#0A4AA9

General Information about Cobalt

The color #0A4AA9, commonly known as Cobalt, is a deep, saturated shade of blue that evokes feelings of trust, stability, and sophistication. It belongs to the blue color family and is often associated with corporate branding, technology, and academic institutions due to its serious and reliable nature. In the RGB color model, #0A4AA9 is composed of 3.92% red, 29.02% green, and 66.27% blue. The CMYK values are 94% cyan, 56% magenta, 0% yellow, and 34% black. This color is widely used in various applications, including web design, graphic design, and branding. Its hexadecimal representation makes it easy to use consistently across digital platforms. The name 'Cobalt' is derived from the German word 'kobalt,' which refers to the spirit 'goblin'. Historically, it was used in the production of blue pigments, making it a valuable color for artists and artisans.

The hex color #0A4AA9, also known as Cobalt, presents specific accessibility considerations for web development. Its deep, saturated blue hue results in a relatively low luminance value, which affects its contrast ratio against lighter backgrounds, particularly white. Ensuring sufficient contrast is crucial for users with visual impairments, as inadequate contrast can make text and interactive elements difficult to perceive. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text and graphical elements. When using #0A4AA9 for text, pairing it with a very light color like white or a pale yellow is essential to meet these standards. Similarly, when using it as a background color, the foreground elements should be light. It's also advisable to test color combinations using accessibility tools to confirm compliance and ensure readability for all users. Careful consideration of color contrast is paramount to creating inclusive and user-friendly web experiences.

Shades

Digital Color Formats

RGB
10 74 169
RGB10 74 169
Red
Green
Blue
HSL
215.85deg 88.83% 35.1%
215.8588.8335.1HSL
Hue
Saturation
Lightness
HWB
215.85deg 3.92% 33.73%
215.853.9233.73HWB
Hue
Whiteness
Blackness
hex#0A4AA9
rgb10 74 169
hsl215.85deg 88.83% 35.1%
cmyk94.08% 56.21% 0% 33.73%
hwb215.85deg 3.92% 33.73%
xyz-d650.1 0.08 0.39
oklch0.4345 0.1644 259.71
oklab0.4345 -0.03 -0.16
CMYK
94.08% 56.21% 0% 33.73%
94.0856.21033.73CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.1 0.08 0.39
0.10.080.39XYZ
X
Y
Z
OKLCH
0.4345 0.1644 259.71
0.43450.1644259.71LCH
Lightness
Chroma
Hue
OKLAB
0.4345 -0.03 -0.16
0.4345-0.03-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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