Ultramarine

#1211A3

About Ultramarine

Ultramarine, represented by the hexadecimal color code #1211A3, is a deep blue color historically derived from the precious mineral lapis lazuli. The name "Ultramarine" literally means "beyond the sea," referring to its origin as a pigment imported into Europe from Asia. Chemically, it's a complex sodium aluminum silicate with sulfur. This color is known for its exceptional brilliance and lightfastness, making it highly prized in art and design. In modern applications, synthetic ultramarine is widely available, offering a more affordable alternative to the natural pigment. Its intense blue hue evokes feelings of tranquility, depth, and sophistication. It's commonly used in branding, graphic design, and various artistic endeavors to create a sense of elegance and visual impact.

The color #1211A3, also known as Ultramarine, presents significant accessibility challenges, particularly concerning color contrast. When used as text against a white background, the contrast ratio is very low, making it difficult for users with visual impairments to read. Similarly, using it as a background color with light text can also be problematic. To improve accessibility, consider using lighter shades of yellows, oranges, or greens as the background. Another approach is to darken the text color considerably if #1211A3 is used as a background. Adhering to WCAG (Web Content Accessibility Guidelines) standards is crucial; ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools like contrast checkers can help assess and adjust color combinations to meet these guidelines, ensuring a more inclusive user experience.

Shades

Digital Color Formats

RGB
18 17 163
RGB18 17 163
Red
Green
Blue
HSL
240.41 81.11% 35.29%
240.4181.1135.29HSL
Hue
Saturation
Lightness
HWB
240.41 6.67% 36.08%
240.416.6736.08HWB
Hue
Whiteness
Blackness
hex#1211A3
rgb18 17 163
hsl240.41 81.11% 35.29%
cmyk88.96% 89.57% 0% 36.08%
hwb240.41 6.67% 36.08%
xyz7.06 3.17 34.89
CMYK
88.96% 89.57% 0% 36.08%
88.9689.57036.08CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.06 3.17 34.89
7.063.1734.89XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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