Ultramarine

#0B13A8

General Information about Ultramarine

The hex color code #0B13A8 represents a deep, saturated shade of blue known as Ultramarine. In the RGB color model, it is composed of 4.31% red, 7.45% green, and 65.88% blue. This significant proportion of blue contributes to its characteristic intense and profound appearance. Ultramarine is often associated with qualities such as depth, stability, and authority. Historically, Ultramarine was derived from the precious stone lapis lazuli, making it a highly valued pigment. In modern applications, #0B13A8 is utilized across various fields, from web design to fashion, where its bold presence can effectively convey a sense of importance and sophistication.

The color #0B13A8, a deep shade of ultramarine, presents several accessibility considerations for web developers. Its dark nature provides a strong contrast against lighter backgrounds, which is crucial for readability. When using this color for text, ensure that the foreground color has a lightness value significantly different from #0B13A8 to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. Insufficient contrast can hinder users with visual impairments, making it difficult to distinguish text from the background. Additionally, avoid using this color as the sole means of conveying information, such as in error messages or status indicators, as colorblind users may not be able to perceive the distinction. Pairing color with text labels or icons enhances accessibility for a broader audience. Consider using online contrast checkers to verify compliance with accessibility standards.

Shades

Digital Color Formats

RGB
11 19 168
RGB11 19 168
Red
Green
Blue
HSL
236.94 87.71% 35.1%
236.9487.7135.1HSL
Hue
Saturation
Lightness
HWB
236.94 4.31% 34.12%
236.944.3134.12HWB
Hue
Whiteness
Blackness
hex#0B13A8
rgb11 19 168
hsl236.94 87.71% 35.1%
cmyk93.45% 88.69% 0% 34.12%
hwb236.94 4.31% 34.12%
xyz7.44 3.36 37.3
CMYK
93.45% 88.69% 0% 34.12%
93.4588.69034.12CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.44 3.36 37.3
7.443.3637.3XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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