Ultramarine

#0D0A8E

General Information about Ultramarine

The hex color #0D0A8E, also known as Ultramarine, is a deep, saturated shade of blue. In the RGB color model, it is composed of 5.1% red, 3.92% green, and 55.69% blue. This composition gives it a strong blue dominance, resulting in its distinctive and vibrant appearance. Ultramarine historically derives its name from the pigment originally made from lapis lazuli, a semi-precious stone. This color is often associated with depth, stability, and intelligence. In color psychology, blue is frequently linked to feelings of trust, peace, and order. Its deep hue makes it suitable for various design applications where a sense of sophistication and reliability is desired. Ultramarine is a color that has stood the test of time, appreciated both for its aesthetic qualities and the rich history behind its creation.

The color #0D0A8E, a deep shade of ultramarine, presents specific accessibility considerations for web design. Its low lightness value (approximately 4%) means it provides insufficient contrast when used as text against a standard white background. This can lead to readability issues, particularly for users with visual impairments. To ensure accessibility, it's crucial to pair this color with much lighter shades. Using a color contrast checker is highly recommended to verify that the contrast ratio meets WCAG (Web Content Accessibility Guidelines) standards, aiming for a minimum ratio of 4.5:1 for normal text and 3:1 for large text. Additionally, providing alternative cues, such as icons or text labels, can further improve usability for all users, especially those who may have difficulty distinguishing between colors. Considering the background color and font size are also crucial when assessing accessibility.

Shades

Digital Color Formats

RGB
13 10 142
RGB13 10 142
Red
Green
Blue
HSL
241.36deg 86.84% 29.8%
241.3686.8429.8HSL
Hue
Saturation
Lightness
HWB
241.36deg 3.92% 44.31%
241.363.9244.31HWB
Hue
Whiteness
Blackness
hex#0D0A8E
rgb13 10 142
hsl241.36deg 86.84% 29.8%
cmyk90.85% 92.96% 0% 44.31%
hwb241.36deg 3.92% 44.31%
xyz-d650.05 0.02 0.26
oklch0.304 0.1946 267.14
oklab0.304 -0.01 -0.19
CMYK
90.85% 92.96% 0% 44.31%
90.8592.96044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.26
0.050.020.26XYZ
X
Y
Z
OKLCH
0.304 0.1946 267.14
0.3040.1946267.14LCH
Lightness
Chroma
Hue
OKLAB
0.304 -0.01 -0.19
0.304-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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