Ultramarine

#1B098F

General Information about Ultramarine

The color #1B098F, also known as Ultramarine, is a deep and intense shade of blue. It belongs to the blue color family and is characterized by its high saturation and relatively low brightness. In the RGB color model, it is composed of 11% red, 3.53% green, and 93.73% blue. In the CMYK color model, it consists of 88% cyan, 96% magenta, 0% yellow, and 6% black. Ultramarine has a rich history, originally derived from the precious mineral lapis lazuli. This association has historically linked the color to royalty, divinity, and spirituality. Nowadays the color is a standard color and can be produced easily by a variety of chemical compounds.

The hex color #1B098F, a deep shade of ultramarine, presents accessibility challenges due to its low luminance. When used as a foreground color, it requires a light background to ensure sufficient contrast for readability, especially for users with visual impairments. According to WCAG 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 contrast checker is essential to verify compliance. Consider pairing #1B098F with colors like #FFFFFF (white) or very light shades of gray or yellow to enhance readability and ensure an accessible user experience. Avoid using it with dark backgrounds or colors with similar luminance values as this would make content difficult or impossible to read. Proper color selection significantly improves website usability for all users.

Shades

Digital Color Formats

RGB
27 9 143
RGB27 9 143
Red
Green
Blue
HSL
248.06deg 88.16% 29.8%
248.0688.1629.8HSL
Hue
Saturation
Lightness
HWB
248.06deg 3.53% 43.92%
248.063.5343.92HWB
Hue
Whiteness
Blackness
hex#1B098F
rgb27 9 143
hsl248.06deg 88.16% 29.8%
cmyk81.12% 93.71% 0% 43.92%
hwb248.06deg 3.53% 43.92%
xyz-d650.06 0.02 0.26
oklch0.3113 0.1924 271.67
oklab0.3113 0.01 -0.19
CMYK
81.12% 93.71% 0% 43.92%
81.1293.71043.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.26
0.060.020.26XYZ
X
Y
Z
OKLCH
0.3113 0.1924 271.67
0.31130.1924271.67LCH
Lightness
Chroma
Hue
OKLAB
0.3113 0.01 -0.19
0.31130.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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