Ultramarine

#10128A

General Information about Ultramarine (#10128A)

The color #10128A, commonly known as Ultramarine, is a deep and intense shade of blue. It is often associated with royalty, wisdom, and spirituality. Historically, ultramarine pigment was derived from the semi-precious stone lapis lazuli, making it a highly valued and expensive color. In modern times, it is synthetically produced, making it more accessible for various applications. Ultramarine is widely used in art, design, and fashion, appreciated for its rich and vibrant hue. Its spectral reflectance curve shows a high reflectance in the blue region of the spectrum, with minimal reflectance in the red and green regions, resulting in its distinct blue appearance. In color psychology, ultramarine can evoke feelings of calmness, stability, and trust. It's also linked to clarity of thought and inspiration.

The hex color #10128A, also known as Ultramarine, presents some accessibility challenges, particularly regarding color contrast. When used as text against a white background, the contrast ratio is low, making it difficult for users with visual impairments to read. To improve accessibility, it's recommended to use a lighter background color, such as a pale yellow or a light gray, or to use #10128A as a background color paired with white or very light-colored text. Additionally, providing alternative text descriptions for images or other visual elements that use this color is crucial. Ensuring sufficient contrast is essential for meeting WCAG (Web Content Accessibility Guidelines) standards and providing an inclusive experience for all users, including those with low vision or color blindness. Testing the color combination with accessibility tools is highly recommended.

Shades

Digital Color Formats

RGB
16 18 138
RGB16 18 138
Red
Green
Blue
HSL
239.02 79.22% 30.2%
239.0279.2230.2HSL
Hue
Saturation
Lightness
HWB
239.02 6.27% 45.88%
239.026.2745.88HWB
Hue
Whiteness
Blackness
hex#10128A
rgb16 18 138
hsl239.02 79.22% 30.2%
cmyk88.41% 86.96% 0% 45.88%
hwb239.02 6.27% 45.88%
xyz5.02 2.38 24.24
CMYK
88.41% 86.96% 0% 45.88%
88.4186.96045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.02 2.38 24.24
5.022.3824.24XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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