Ultramarine

#170E8A

General Information about #170E8A

The color #170E8A, also known as Ultramarine, is a deep and captivating shade of blue with a hint of violet. In the RGB color model, it consists of 9.02% red, 5.49% green, and 54.12% blue. Its hexadecimal representation, #170E8A, provides a concise way to define this specific hue in digital contexts. Ultramarine is historically significant, derived from the rare and valuable mineral lapis lazuli. It was prized by Renaissance artists for its rich and vibrant pigment. Today, synthetic ultramarine is widely available, making it accessible for various applications. This color evokes feelings of depth, tranquility, and sophistication, making it a popular choice in design and art. Its unique blend of blue and violet sets it apart from other blues, offering a touch of mystique and elegance.

The hex color #170E8A, a deep shade of ultramarine, presents significant accessibility challenges, primarily due to its low luminance. When used as a foreground color against a white or light-colored background, the contrast ratio is insufficient to meet WCAG (Web Content Accessibility Guidelines) standards for normal text sizes. This can make it difficult for users with visual impairments, including those with low vision or color blindness, to read the text. To improve accessibility, consider using #170E8A with very large text sizes or as a background color with a light foreground color. Additionally, providing alternative text for any visual elements that use this color is crucial for users who rely on screen readers. Ensuring sufficient contrast is essential for inclusive design, allowing all users to perceive and interact with the content effectively. Testing with accessibility evaluation tools is highly recommended to validate the contrast ratio and ensure compliance with accessibility standards. Furthermore, avoid using this color as the sole indicator of interactive elements such as links or buttons, as color alone should not be the only means of conveying information.

Shades

Digital Color Formats

RGB
23 14 138
RGB23 14 138
Red
Green
Blue
HSL
244.35deg 81.58% 29.8%
244.3581.5829.8HSL
Hue
Saturation
Lightness
HWB
244.35deg 5.49% 45.88%
244.355.4945.88HWB
Hue
Whiteness
Blackness
hex#170E8A
rgb23 14 138
hsl244.35deg 81.58% 29.8%
cmyk83.33% 89.86% 0% 45.88%
hwb244.35deg 5.49% 45.88%
xyz-d650.05 0.02 0.24
oklch0.3061 0.1853 270.42
oklab0.3061 0 -0.19
CMYK
83.33% 89.86% 0% 45.88%
83.3389.86045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.24
0.050.020.24XYZ
X
Y
Z
OKLCH
0.3061 0.1853 270.42
0.30610.1853270.42LCH
Lightness
Chroma
Hue
OKLAB
0.3061 0 -0.19
0.30610-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons