Ultramarine

#0B09AB

General Information about Ultramarine (#0B09AB)

The hex color #0B09AB, also known as Ultramarine, is a deep and vibrant shade of blue. It falls within the blue color family, characterized by its strong presence and richness. In the RGB color model, #0B09AB consists of 4.31% red, 3.53% green, and 67.06% blue. This high concentration of blue gives it its distinctive hue. In the CMYK color model, commonly used for printing, it is composed of 94% cyan, 95% magenta, 0% yellow, and 33% black. Ultramarine is often associated with qualities such as depth, stability, trust, and intelligence. Historically, ultramarine pigment was derived from the precious stone lapis lazuli, making it a highly valued color in art and decoration. Today, it continues to be a popular choice in various fields, including web design, fashion, and interior design, due to its striking visual impact and symbolic associations.

The hex color #0B09AB, a deep ultramarine, presents accessibility challenges. Its high saturation and low lightness can cause readability issues, especially for users with visual impairments. When used as text color, a very light color like #FFFFFF (white) is necessary to achieve 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. If #0B09AB is used as a background, consider avoiding text altogether or employing graphic elements that do not rely on fine details. Furthermore, avoid using this color to convey critical information without redundant cues, as colorblind users may not perceive it accurately. Providing alternative cues such as text labels or icons can significantly improve accessibility. In interactive elements like buttons or links, ensure sufficient visual contrast in hover and focus states to aid users navigating with assistive technologies.

Shades

Digital Color Formats

RGB
11 9 171
RGB11 9 171
Red
Green
Blue
HSL
240.74 90% 35.29%
240.749035.29HSL
Hue
Saturation
Lightness
HWB
240.74 3.53% 32.94%
240.743.5332.94HWB
Hue
Whiteness
Blackness
hex#0B09AB
rgb11 9 171
hsl240.74 90% 35.29%
cmyk93.57% 94.74% 0% 32.94%
hwb240.74 3.53% 32.94%
xyz7.59 3.21 38.75
CMYK
93.57% 94.74% 0% 32.94%
93.5794.74032.94CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.59 3.21 38.75
7.593.2138.75XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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