Ultramarine

#1B03B0

General Information about Ultramarine (#1B03B0)

Ultramarine, represented by the hexadecimal color code #1B03B0, is a deep blue pigment originally derived from the precious stone lapis lazuli. Its name literally means 'beyond the sea,' reflecting its historical origins as a pigment imported into Europe from mines in Asia. Renowned for its intense color and lightfastness, Ultramarine has been highly valued by artists throughout history, particularly during the Renaissance. Its chemical composition consists of a complex sodium aluminosilicate with sulfur, contributing to its unique hue. Modern synthetic Ultramarine, also known as French Ultramarine, is produced through a relatively inexpensive process, making it more accessible for various applications beyond fine art. Today, Ultramarine is utilized in paints, plastics, cosmetics, and even laundry detergents to impart a vibrant blue shade.

The hex color #1B03B0, also known as Ultramarine, presents significant accessibility challenges, particularly for users with visual impairments. Its dark hue results in a low contrast ratio against lighter backgrounds, making text and interactive elements difficult to discern. To ensure inclusivity, it's crucial to pair this color with very light shades like white or pale yellow to achieve a contrast ratio that meets WCAG (Web Content Accessibility Guidelines) standards. Avoid using #1B03B0 for critical elements such as links, buttons, or form fields unless sufficient contrast is provided. Furthermore, consider offering alternative color schemes that allow users to customize the display according to their individual needs. Providing clear visual cues and labels is essential when using this color to enhance usability for all users, regardless of their visual abilities. Thoughtful color choices can significantly improve the overall user experience and accessibility of a website or application.

Shades

Digital Color Formats

RGB
27 3 176
RGB27 3 176
Red
Green
Blue
HSL
248.32 96.65% 35.1%
248.3296.6535.1HSL
Hue
Saturation
Lightness
HWB
248.32 1.18% 30.98%
248.321.1830.98HWB
Hue
Whiteness
Blackness
hex#1B03B0
rgb27 3 176
hsl248.32 96.65% 35.1%
cmyk84.66% 98.3% 0% 30.98%
hwb248.32 1.18% 30.98%
xyz8.32 3.43 41.3
CMYK
84.66% 98.3% 0% 30.98%
84.6698.3030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.32 3.43 41.3
8.323.4341.3XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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