Ultramarine

#1B0BA9

General Information about Ultramarine

The hex color #1B0BA9 is a deep, rich shade of blue known as Ultramarine. It is composed of 10.6% red, 4.3% green, and 66.3% blue. In the RGB color space, it is represented as (27, 11, 169). Ultramarine is often associated with depth, stability, and intelligence. This color has historical significance, originating from the pigment derived from the semi-precious stone lapis lazuli. Due to its rarity and cost, it was highly prized by Renaissance artists and was often reserved for depicting the robes of the Virgin Mary. In modern color theory, Ultramarine blue can evoke feelings of serenity and confidence, making it a popular choice for branding and design elements aiming to project trustworthiness and professionalism. Its vibrant yet calming nature also makes it suitable for creating a sense of depth and sophistication in visual compositions.

The color #1B0BA9, a deep shade of Ultramarine, presents several accessibility considerations, especially for web design. Its dark nature means that it requires light-colored text to ensure sufficient contrast for readability. Using white or very light shades of yellow or green as the foreground color on a background of #1B0BA9 will typically provide adequate contrast, meeting WCAG (Web Content Accessibility Guidelines) standards for color contrast ratios. Conversely, using darker text colors like black or dark blues will likely result in insufficient contrast, making the text difficult to read for users, particularly those with visual impairments. When using this color for interactive elements like buttons or links, consider providing additional visual cues besides color to ensure usability for color-blind users. For instance, an underline for links or a clear border for buttons can significantly improve accessibility. Always test color combinations with accessibility tools to confirm compliance with accessibility standards.

Shades

Digital Color Formats

RGB
27 11 169
RGB27 11 169
Red
Green
Blue
HSL
246.08deg 87.78% 35.29%
246.0887.7835.29HSL
Hue
Saturation
Lightness
HWB
246.08deg 4.31% 33.73%
246.084.3133.73HWB
Hue
Whiteness
Blackness
hex#1B0BA9
rgb27 11 169
hsl246.08deg 87.78% 35.29%
cmyk84.02% 93.49% 0% 33.73%
hwb246.08deg 4.31% 33.73%
xyz-d650.08 0.03 0.38
oklch0.3472 0.2201 269.54
oklab0.3472 0 -0.22
CMYK
84.02% 93.49% 0% 33.73%
84.0293.49033.73CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.03 0.38
0.080.030.38XYZ
X
Y
Z
OKLCH
0.3472 0.2201 269.54
0.34720.2201269.54LCH
Lightness
Chroma
Hue
OKLAB
0.3472 0 -0.22
0.34720-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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