Ultramarine

#1D05AF

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #1D05AF, is a deep, vivid blue color. Historically, ultramarine was derived from the rare and expensive mineral lapis lazuli, making it a highly prized pigment in Renaissance paintings. The name "ultramarine" literally means "beyond the sea," referring to its origin from overseas. Today, synthetic ultramarine is widely available, retaining the color's characteristic brilliance at a much lower cost. In the RGB color model, #1D05AF consists of 11.4% red, 2.0% green, and 68.6% blue. In the CMYK color model, it is composed of 83% cyan, 97% magenta, 0% yellow, and 31% black. This color is often associated with depth, stability, and sophistication, making it a popular choice in various design applications.

The color #1D05AF, a deep ultramarine, presents several accessibility considerations for web developers. Its dark nature requires careful pairing with lighter text colors to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using a color contrast checker is crucial to verify compliance. Also, avoid relying solely on color to convey important information, as colorblind users may not perceive it accurately. Supplement color cues with text labels, icons, or patterns. When using this color for interactive elements like buttons or links, ensure that hover, focus, and active states have distinct visual changes to aid users with visual impairments and those navigating with keyboards. Providing sufficient visual cues enhances the overall user experience and makes the content accessible to a broader audience.

Shades

Digital Color Formats

RGB
29 5 175
RGB29 5 175
Red
Green
Blue
HSL
248.47 94.44% 35.29%
248.4794.4435.29HSL
Hue
Saturation
Lightness
HWB
248.47 1.96% 31.37%
248.471.9631.37HWB
Hue
Whiteness
Blackness
hex#1D05AF
rgb29 5 175
hsl248.47 94.44% 35.29%
cmyk83.43% 97.14% 0% 31.37%
hwb248.47 1.96% 31.37%
xyz8.3 3.46 40.79
CMYK
83.43% 97.14% 0% 31.37%
83.4397.14031.37CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.3 3.46 40.79
8.33.4640.79XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

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