Ultramarine

#180BA9

General Information about Ultramarine

The color #180BA9, also known as Ultramarine, is a deep, vibrant blue color. It falls under the category of blue hues, known for their association with tranquility, stability, and depth. Ultramarine has a rich history, originally derived from the precious mineral lapis lazuli. In art, it was highly prized for its brilliance and permanence, often reserved for depicting important figures or religious subjects. Today, synthetic pigments provide more affordable alternatives, but the color's captivating allure remains undiminished. Its hexadecimal code #180BA9 represents its composition in the RGB (Red, Green, Blue) color model, where red is at 18, green is at 0B, and blue is at A9. This color is often associated with trust and loyalty. It's not the most accessible color, as it may be hard to see for people with visual impairments.

The hex color #180BA9, also known as Ultramarine, presents some accessibility challenges, especially when it comes to text and background contrast. When used as a background, it requires light-colored text to ensure readability. Conversely, if used as text, it needs a light background. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Ultramarine might struggle to meet these ratios with darker shades of text. Therefore, it's crucial to perform contrast checks using online tools or accessibility evaluation software. When pairing Ultramarine with other colors, consider incorporating lighter tints or shades of neutral colors like white, light gray, or pale yellow to improve accessibility and visual appeal. Avoid combining it with colors that are too similar in luminance, as this can cause visual strain and make content difficult to perceive for users with visual impairments.

Shades

Digital Color Formats

RGB
24 11 169
RGB24 11 169
Red
Green
Blue
HSL
244.94 87.78% 35.29%
244.9487.7835.29HSL
Hue
Saturation
Lightness
HWB
244.94 4.31% 33.73%
244.944.3133.73HWB
Hue
Whiteness
Blackness
hex#180BA9
rgb24 11 169
hsl244.94 87.78% 35.29%
cmyk85.8% 93.49% 0% 33.73%
hwb244.94 4.31% 33.73%
xyz7.66 3.3 37.77
CMYK
85.8% 93.49% 0% 33.73%
85.893.49033.73CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.66 3.3 37.77
7.663.337.77XYZ
X
Y
Z

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