Ultramarine

#1D0B8D

General Information about #1D0B8D

The color #1D0B8D, also known as Ultramarine, is a deep and captivating shade of blue. It belongs to the blue color family and is characterized by its rich, intense hue. In the RGB color model, #1D0B8D consists of 11.4% red, 4.3% green, and 55.3% blue. This combination gives it a strong blue dominance with subtle undertones of red and green. In the world of color theory, ultramarine is often associated with depth, stability, and sophistication. It carries historical significance as well, as it was originally derived from the precious mineral lapis lazuli. Today, ultramarine is widely used across various industries, from web design to fashion, due to its striking and versatile nature.

The color #1D0B8D, a deep ultramarine, presents unique accessibility considerations. Its low lightness value means it will require careful pairing with contrasting colors to ensure readability, especially for text. A lighter color like white or a bright yellow would provide sufficient contrast for body text. When used for interactive elements, consider the color's contrast ratio in different states (hover, focus, active) to maintain usability. Ensure sufficient color contrast as per WCAG guidelines (at least 4.5:1 for normal text and 3:1 for large text) to make your content accessible to users with visual impairments. Non-text elements, such as icons or graphical controls, should also meet a contrast ratio of 3:1 against adjacent colors. Providing alternative visual cues, such as text labels or borders, can also help users who may have difficulty distinguishing the color. It is highly recommended to use accessibility evaluation tools for testing and validation.

Shades

Digital Color Formats

RGB
29 11 141
RGB29 11 141
Red
Green
Blue
HSL
248.31deg 85.53% 29.8%
248.3185.5329.8HSL
Hue
Saturation
Lightness
HWB
248.31deg 4.31% 44.71%
248.314.3144.71HWB
Hue
Whiteness
Blackness
hex#1D0B8D
rgb29 11 141
hsl248.31deg 85.53% 29.8%
cmyk79.43% 92.2% 0% 44.71%
hwb248.31deg 4.31% 44.71%
xyz-d650.05 0.02 0.25
oklch0.3112 0.1887 272.64
oklab0.3112 0.01 -0.19
CMYK
79.43% 92.2% 0% 44.71%
79.4392.2044.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.25
0.050.020.25XYZ
X
Y
Z
OKLCH
0.3112 0.1887 272.64
0.31120.1887272.64LCH
Lightness
Chroma
Hue
OKLAB
0.3112 0.01 -0.19
0.31120.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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