Ultramarine

#151388

About Ultramarine (#151388)

Ultramarine, represented by the hex color code #151388, is a deep, vivid shade of blue that historically derives its name from the pigment made of ground lapis lazuli stone. Highly prized for its brilliance and permanence, natural Ultramarine was extensively used by Renaissance painters. Today, synthetic versions offer the same striking hue at a more accessible cost. In color theory, Ultramarine sits between blue and violet on the color wheel, imbuing it with qualities of both: the calmness and stability of blue, and the richness and depth of violet. Its strong saturation makes it a popular choice for creating bold visual statements in both digital and print media. Understanding its historical context and color properties enhances its effective application in various design fields.

The hex color #151388, also known as Ultramarine, presents certain accessibility challenges, especially in web design. Due to its deep, saturated nature, it offers low contrast when paired with lighter colors, potentially making text difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are crucial for readability. Using #151388 as a background color necessitates very light text (white or near-white) to meet minimum contrast requirements. It's advisable to use contrast checking tools to ensure compliance. Consider using #151388 sparingly or as an accent color rather than a primary background. When used for interactive elements like buttons or links, ensure sufficient contrast with surrounding elements and provide hover states for added clarity. For improved accessibility, explore lighter tints or shades of Ultramarine, or pair it with high-contrast complementary colors. These strategies will help ensure that your design is usable and perceivable for all users, including those with disabilities.

Shades

Digital Color Formats

RGB
21 19 136
RGB21 19 136
Red
Green
Blue
HSL
241.03 75.48% 30.39%
241.0375.4830.39HSL
Hue
Saturation
Lightness
HWB
241.03 7.45% 46.67%
241.037.4546.67HWB
Hue
Whiteness
Blackness
hex#151388
rgb21 19 136
hsl241.03 75.48% 30.39%
cmyk84.56% 86.03% 0% 46.67%
hwb241.03 7.45% 46.67%
xyz4.99 2.4 23.49
CMYK
84.56% 86.03% 0% 46.67%
84.5686.03046.67CMYK
Cyan
Magenta
Yellow
Key
XYZ
4.99 2.4 23.49
4.992.423.49XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

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