Ultramarine

#0A108E

General Information about Ultramarine (#0A108E)

The hexadecimal color #0A108E, also known as Ultramarine, is a deep and intense shade of blue-violet. In the RGB color model, it is composed of 3.92% red, 6.27% green, and 55.69% blue. This color is often associated with feelings of serenity, wisdom, and stability. Ultramarine has historical significance, originally derived from the precious gemstone lapis lazuli. It was highly valued in art and used extensively by Renaissance painters. Today, the color is synthetically produced and widely used in various applications, including digital design, printing, and textiles. Its rich pigmentation makes it suitable for creating depth and visual impact in designs, though it should be used judiciously to avoid overwhelming other elements. The color name itself speaks to its origin "ultra marinus", literally meaning "beyond the sea".

The color #0a108e, a deep and saturated blue-violet, presents several accessibility considerations, particularly in web design. When used as a background, sufficient contrast with foreground text is crucial to ensure readability for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. It's essential to verify that text color choices meet these ratios against #0a108e. Additionally, avoid using this color as the sole indicator of interactive elements, such as links or buttons. Supplement color cues with text labels or other visual indicators to accommodate users with color blindness. When used in charts or graphs, ensure that the color is distinguishable from other data points, especially for users with deuteranopia or protanopia. Thoughtful application of this color, combined with adherence to accessibility best practices, can create inclusive and user-friendly experiences.

Shades

Digital Color Formats

RGB
10 16 142
RGB10 16 142
Red
Green
Blue
HSL
237.27deg 86.84% 29.8%
237.2786.8429.8HSL
Hue
Saturation
Lightness
HWB
237.27deg 3.92% 44.31%
237.273.9244.31HWB
Hue
Whiteness
Blackness
hex#0A108E
rgb10 16 142
hsl237.27deg 86.84% 29.8%
cmyk92.96% 88.73% 0% 44.31%
hwb237.27deg 3.92% 44.31%
xyz-d650.05 0.02 0.26
oklch0.308 0.1919 266.37
oklab0.308 -0.01 -0.19
CMYK
92.96% 88.73% 0% 44.31%
92.9688.73044.31CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.26
0.050.020.26XYZ
X
Y
Z
OKLCH
0.308 0.1919 266.37
0.3080.1919266.37LCH
Lightness
Chroma
Hue
OKLAB
0.308 -0.01 -0.19
0.308-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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