Ultramarine

#1D0A8E

General Information about Ultramarine

The color #1D0A8E, commonly known as Ultramarine, is a deep, vivid shade of blue with a hint of violet. In the RGB color model, it consists of 11.4% red, 3.92% green, and 55.7% blue. This particular combination creates a rich and intense hue that can evoke feelings of depth, sophistication, and mystery. Ultramarine has a long history, dating back to ancient times when it was derived from the precious gemstone lapis lazuli. Because of its historical importance and rich hue, it has been highly prized by artists and designers throughout the centuries. Its usage can be found in masterpieces from the Renaissance to contemporary art, demonstrating its enduring allure and adaptability. Understanding the composition and historical significance of #1D0A8E offers valuable insight into its aesthetic qualities and effective application.

The hex color #1D0A8E, also known as Ultramarine, presents some accessibility challenges primarily due to its dark nature. When used as a background color, it necessitates very light text (white or near-white) to ensure sufficient contrast for readability. According to WCAG (Web Content Accessibility Guidelines), the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Using a color like #1D0A8E requires careful consideration of text color to meet these guidelines. Failure to provide adequate contrast can significantly impact users with visual impairments, making it difficult for them to perceive the content. Therefore, thorough testing with accessibility tools is crucial to validate the color combination's compliance with accessibility standards. Also, avoid using this color for elements that need to be interactive, as the lack of contrast might hinder the user experience.

Shades

Digital Color Formats

RGB
29 10 142
RGB29 10 142
Red
Green
Blue
HSL
248.64deg 86.84% 29.8%
248.6486.8429.8HSL
Hue
Saturation
Lightness
HWB
248.64deg 3.92% 44.31%
248.643.9244.31HWB
Hue
Whiteness
Blackness
hex#1D0A8E
rgb29 10 142
hsl248.64deg 86.84% 29.8%
cmyk79.58% 92.96% 0% 44.31%
hwb248.64deg 3.92% 44.31%
xyz-d650.05 0.02 0.26
oklch0.3118 0.1903 272.56
oklab0.3118 0.01 -0.19
CMYK
79.58% 92.96% 0% 44.31%
79.5892.96044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.26
0.050.020.26XYZ
X
Y
Z
OKLCH
0.3118 0.1903 272.56
0.31180.1903272.56LCH
Lightness
Chroma
Hue
OKLAB
0.3118 0.01 -0.19
0.31180.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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