Ultramarine

#0A12AA

General Information about #0A12AA

The hex color #0A12AA, also known as Ultramarine, is a deep and vibrant shade of blue within the blue-violet color range. It is composed of 3.92% red, 7.06% green, and 66.67% blue. In the RGB color space, it is represented as (10, 18, 170). This color is often associated with feelings of calmness, stability, and trust, and is frequently used to represent authority and intelligence. Ultramarine has a rich history, originally derived from the gemstone lapis lazuli. Its historical significance and association with luxury contribute to its continued appeal in design and art. The hex code is commonly used in web design and graphic design to specify colors precisely.

The color #0A12AA, a deep ultramarine, presents some accessibility challenges, particularly regarding contrast. When used as a foreground color for text, it requires careful pairing with a light background to ensure readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text, as per WCAG guidelines. Using a color contrast checker is crucial to verify compliance. Conversely, as a background color, #0A12AA would necessitate light-colored text or elements to meet accessibility standards. Additionally, avoid relying solely on color to convey information; supplement with text labels or other visual cues, as colorblind users may have difficulty distinguishing this hue. Careful consideration of these factors is essential when incorporating #0A12AA into designs to ensure an inclusive and accessible experience for all users.

Shades

Digital Color Formats

RGB
10 18 170
RGB10 18 170
Red
Green
Blue
HSL
237 88.89% 35.29%
23788.8935.29HSL
Hue
Saturation
Lightness
HWB
237 3.92% 33.33%
2373.9233.33HWB
Hue
Whiteness
Blackness
hex#0A12AA
rgb10 18 170
hsl237 88.89% 35.29%
cmyk94.12% 89.41% 0% 33.33%
hwb237 3.92% 33.33%
xyz7.6 3.4 38.29
CMYK
94.12% 89.41% 0% 33.33%
94.1289.41033.33CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.6 3.4 38.29
7.63.438.29XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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