Ultramarine

#170791

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #170791, is a deep and intense shade of blue. Historically, ultramarine was a highly prized pigment made from ground lapis lazuli, making it more expensive than gold. The name itself means 'beyond the sea,' referring to its origin from Asia. In the RGB color model, #170791 consists of 9.02% red, 2.75% green, and 56.86% blue. This color is often associated with royalty, depth, and tranquility. Its rich and captivating nature makes it a popular choice in various design applications, ranging from web design to fine art. Understanding the historical significance and technical composition of Ultramarine enhances its appeal and allows for informed and creative use.

The color #170791, Ultramarine, presents several accessibility considerations for web design. With its dark hue, it's crucial to ensure sufficient contrast when used as a background or text color. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text against its background. Using a light text color like white or a pale yellow can help meet these contrast requirements. Additionally, avoid using #170791 as the sole means of conveying information, especially for users with color vision deficiencies. Providing alternative visual cues, such as icons or text labels, can enhance usability. When using this color for interactive elements, ensure a distinct visual change on hover or focus to aid users navigating with assistive technologies. Thoughtful color selection and adherence to accessibility standards ensures a more inclusive and user-friendly web experience.

Shades

Digital Color Formats

RGB
23 7 145
RGB23 7 145
Red
Green
Blue
HSL
246.96deg 90.79% 29.8%
246.9690.7929.8HSL
Hue
Saturation
Lightness
HWB
246.96deg 2.75% 43.14%
246.962.7543.14HWB
Hue
Whiteness
Blackness
hex#170791
rgb23 7 145
hsl246.96deg 90.79% 29.8%
cmyk84.14% 95.17% 0% 43.14%
hwb246.96deg 2.75% 43.14%
xyz-d650.06 0.02 0.27
oklch0.3104 0.1967 270.04
oklab0.3104 0 -0.2
CMYK
84.14% 95.17% 0% 43.14%
84.1495.17043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.27
0.060.020.27XYZ
X
Y
Z
OKLCH
0.3104 0.1967 270.04
0.31040.1967270.04LCH
Lightness
Chroma
Hue
OKLAB
0.3104 0 -0.2
0.31040-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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