Ultramarine

#170D8B

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #170D8B, is a deep and rich shade of blue. Historically, Ultramarine pigment was derived from the gemstone lapis lazuli, making it a highly valued and expensive color in art. The name "Ultramarine" literally means "beyond the sea," referring to its origin from stones imported into Europe from Asia. In the RGB color model, #170D8B consists of 9.02% red, 5.1% green, and 54.51% blue. Its CMYK values are 0.83, 0.93, 0.00, 0.45. This color evokes feelings of tranquility, depth, and sophistication. It is often associated with royalty, wisdom, and spirituality. In modern applications, Ultramarine is widely used in web design, graphic design, and branding to convey trust and professionalism.

The color #170D8B, also known as Ultramarine, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it requires very light text to ensure readability, ideally white or near-white. Conversely, as a text color, it needs a very light background. It fails most automated contrast checks with darker shades, making it unsuitable for critical information or interactive elements without careful consideration of the foreground color. In web design, it's crucial to adhere to WCAG (Web Content Accessibility Guidelines) standards to provide accessible content for all users, including those with visual impairments. Using contrast checker tools can help determine appropriate color pairings and ensure sufficient contrast ratios. Avoid using it for small text or icons where legibility is paramount. Proper implementation and thoughtful pairing with other colors can mitigate these accessibility concerns and improve the overall user experience.

Shades

Digital Color Formats

RGB
23 13 139
RGB23 13 139
Red
Green
Blue
HSL
244.76deg 82.89% 29.8%
244.7682.8929.8HSL
Hue
Saturation
Lightness
HWB
244.76deg 5.1% 45.49%
244.765.145.49HWB
Hue
Whiteness
Blackness
hex#170D8B
rgb23 13 139
hsl244.76deg 82.89% 29.8%
cmyk83.45% 90.65% 0% 45.49%
hwb244.76deg 5.1% 45.49%
xyz-d650.05 0.02 0.25
oklch0.3066 0.187 270.38
oklab0.3066 0 -0.19
CMYK
83.45% 90.65% 0% 45.49%
83.4590.65045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.25
0.050.020.25XYZ
X
Y
Z
OKLCH
0.3066 0.187 270.38
0.30660.187270.38LCH
Lightness
Chroma
Hue
OKLAB
0.3066 0 -0.19
0.30660-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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