Ultramarine

#1B0695

General Information about #1B0695 (Ultramarine)

The hexadecimal color #1B0695, also known as Ultramarine, is a dark shade of blue. It is composed of 10.6% red, 2.4% green, and 58.8% blue. In the RGB color model, it has the values of 27 red, 6 green, and 149 blue. In the CMYK color model, used for printing, its values are 81.9% cyan, 95.9% magenta, 0% yellow, and 41.2% black. This color falls within the blue color spectrum and is often associated with depth, stability, and trust. Ultramarine is a historical pigment, originally derived from lapis lazuli, making it a highly prized color in art. Today, synthetic versions are readily available, retaining its rich and vibrant hue. Its darkness and saturation make it well-suited for applications where a strong, authoritative presence is desired.

The color #1B0695, a deep ultramarine, presents significant accessibility challenges. Its low luminance value (very dark) results in poor contrast against white backgrounds, making text and interactive elements difficult to read for users with visual impairments. According to WCAG guidelines, this color fails most contrast ratio tests against both white and lighter shades. To improve accessibility, it's crucial to pair #1B0695 with very light colors like white (#FFFFFF) or very light grays for text and important UI elements. Using larger font sizes and bold text can somewhat mitigate the contrast issue but is not a replacement for proper contrast. When using this color for interactive elements such as buttons, ensure sufficient visual cues beyond color alone are present to assist users who are colorblind. Providing alternative color themes is also a useful strategy to enhance the experience for all users. Thorough accessibility testing with assistive technologies is highly recommended.

Shades

Digital Color Formats

RGB
27 6 149
RGB27 6 149
Red
Green
Blue
HSL
248.81 92.26% 30.39%
248.8192.2630.39HSL
Hue
Saturation
Lightness
HWB
248.81 2.35% 41.57%
248.812.3541.57HWB
Hue
Whiteness
Blackness
hex#1B0695
rgb27 6 149
hsl248.81 92.26% 30.39%
cmyk81.88% 95.97% 0% 41.57%
hwb248.81 2.35% 41.57%
xyz5.94 2.53 28.61
CMYK
81.88% 95.97% 0% 41.57%
81.8895.97041.57CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.94 2.53 28.61
5.942.5328.61XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

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