Ultramarine

#1B09AB

General Information about #1B09AB

The hex color #1B09AB, also known as Ultramarine, is a deep, saturated shade of blue. It is composed of 10.6% red, 3.53% green, and 67.06% blue. In the RGB color model, #1B09AB consists of 27 red, 9 green, and 171 blue. It has a hue angle of 248.4 degrees, a saturation of 89.54%, and a lightness of 35.3%. Ultramarine is historically significant as a pigment derived from lapis lazuli, making it a highly valued color in art. Its deep blue hue conveys feelings of stability, trust, and authority. It is often used in branding and design to evoke a sense of professionalism and reliability.

The color #1B09AB, a deep ultramarine, presents some accessibility challenges. With a low lightness value, it may not provide sufficient contrast against white backgrounds, potentially making text difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for readability. It is highly recommended to use a lighter color for text or interface elements layered on top of #1B09AB. Tools like contrast checkers can accurately measure the contrast ratio between #1B09AB and other colors to ensure it meets accessibility standards. Also, avoid using this color as the sole indicator for interactive elements; supplement it with text or icons to ensure usability for all users, including those with color blindness.

Shades

Digital Color Formats

RGB
27 9 171
RGB27 9 171
Red
Green
Blue
HSL
246.67 90% 35.29%
246.679035.29HSL
Hue
Saturation
Lightness
HWB
246.67 3.53% 32.94%
246.673.5332.94HWB
Hue
Whiteness
Blackness
hex#1B09AB
rgb27 9 171
hsl246.67 90% 35.29%
cmyk84.21% 94.74% 0% 32.94%
hwb246.67 3.53% 32.94%
xyz7.9 3.37 38.76
CMYK
84.21% 94.74% 0% 32.94%
84.2194.74032.94CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.9 3.37 38.76
7.93.3738.76XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025