Ultramarine

#0B0FA8

General Information about Ultramarine

The hex color #0b0fa8, commonly known as Ultramarine, is a deep and intense shade of blue. It is located in the blue region of the color spectrum. In the RGB color model, it is composed of 4.31% red, 5.88% green, and 65.88% blue. In the CMYK color model, it consists of 93.48% cyan, 91.07% magenta, 0.0% yellow, and 34.12% black. Ultramarine is often associated with feelings of depth, stability, and tranquility. It is frequently used in art, design, and fashion to convey sophistication and elegance. Ultramarine has a long history, dating back to ancient times when it was derived from the gemstone lapis lazuli, making it a highly prized and expensive pigment. Its name literally means 'beyond the sea,' referring to its origin from overseas.

The hex color #0b0fa8, also known as Ultramarine, presents some accessibility challenges, primarily concerning color contrast. When used as a foreground color for text, it requires a very light background to meet WCAG (Web Content Accessibility Guidelines) standards for readability. A dark background would make the text illegible for many users, especially those with visual impairments. It's crucial to test color combinations using contrast checkers to ensure sufficient contrast ratios (at least 4.5:1 for normal text and 3:1 for large text). Also, avoid using this color as the sole indicator of interactive elements, as users who are colorblind might miss them. Supplement color with clear text labels or icons to ensure usability for all users. Ensuring sufficient contrast and providing redundant cues enhances the accessibility of your designs for a wider audience.

Shades

Digital Color Formats

RGB
11 15 168
RGB11 15 168
Red
Green
Blue
HSL
238.47 87.71% 35.1%
238.4787.7135.1HSL
Hue
Saturation
Lightness
HWB
238.47 4.31% 34.12%
238.474.3134.12HWB
Hue
Whiteness
Blackness
hex#0B0FA8
rgb11 15 168
hsl238.47 87.71% 35.1%
cmyk93.45% 91.07% 0% 34.12%
hwb238.47 4.31% 34.12%
xyz7.38 3.24 37.28
CMYK
93.45% 91.07% 0% 34.12%
93.4591.07034.12CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.38 3.24 37.28
7.383.2437.28XYZ
X
Y
Z

Alternative colors

Applications

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