Ultramarine

#18169E

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #18169E, is a deep blue pigment originally derived from the mineral lapis lazuli. Historically, it was highly prized for its intense color and was even more expensive than gold during the Renaissance. Today, synthetic ultramarine is widely available, making it a more accessible color for various applications. In the RGB color model, #18169E is composed of 9.41% red, 8.63% green, and 62.35% blue. Its CMYK representation is 0.85, 0.86, 0.00, 0.38. Ultramarine is often associated with royalty, wisdom, and spirituality due to its rich history and captivating hue. Its intense saturation also contributes to its visual impact and makes it suitable for creating striking and memorable designs.

The hex color #18169E, Ultramarine, presents some accessibility challenges, particularly when used as a background or text color. Due to its deep, saturated nature, it may not provide sufficient contrast with lighter text colors, potentially making content difficult to read for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When pairing #18169E with text, it's crucial to test the contrast ratio using accessibility tools to ensure compliance. Lighter shades of yellow, orange, or white are generally recommended for text on this background to achieve sufficient contrast. In user interface design, avoid using this color for crucial interactive elements without careful consideration of contrast and legibility. Consider providing alternative color schemes to enhance accessibility.

Shades

Digital Color Formats

RGB
24 22 158
RGB24 22 158
Red
Green
Blue
HSL
240.88deg 75.56% 35.29%
240.8875.5635.29HSL
Hue
Saturation
Lightness
HWB
240.88deg 8.63% 38.04%
240.888.6338.04HWB
Hue
Whiteness
Blackness
hex#18169E
rgb24 22 158
hsl240.88deg 75.56% 35.29%
cmyk84.81% 86.08% 0% 38.04%
hwb240.88deg 8.63% 38.04%
xyz-d650.07 0.03 0.33
oklch0.3401 0.2029 269.07
oklab0.3401 0 -0.2
CMYK
84.81% 86.08% 0% 38.04%
84.8186.08038.04CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.03 0.33
0.070.030.33XYZ
X
Y
Z
OKLCH
0.3401 0.2029 269.07
0.34010.2029269.07LCH
Lightness
Chroma
Hue
OKLAB
0.3401 0 -0.2
0.34010-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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