Ultramarine

#1A00A3

General Information about Ultramarine (#1A00A3)

Ultramarine, represented by the hex code #1A00A3, is a deep, vibrant shade of blue that evokes feelings of sophistication, depth, and creativity. Historically, Ultramarine pigment was derived from the rare and precious mineral lapis lazuli, making it highly valued and often associated with royalty and religious art. In modern color theory, Ultramarine sits on the blue end of the spectrum, leaning towards purple undertones. It is often used to convey trust, stability, and authority in various applications, from branding to web design. The color's intensity makes it suitable for accent colors or focal points, while its depth allows it to be used as a background color when paired with lighter, contrasting text or elements. Understanding the historical and psychological connotations of Ultramarine can greatly enhance its effective use in design and art.

The hex color #1A00A3, also known as Ultramarine, presents some accessibility challenges, especially concerning text and background contrast. When using this color as a background, it is crucial to select a foreground text color that provides sufficient contrast. White text (#FFFFFF) generally works well against this dark shade of blue, offering a contrast ratio that meets WCAG (Web Content Accessibility Guidelines) standards for readability. However, lighter shades of gray or yellow might not provide adequate contrast and should be avoided. To ensure accessibility, tools like contrast checkers can be used to verify that the contrast ratio meets the minimum requirements for different levels of compliance. Additionally, avoid using this color for essential user interface elements without careful consideration of contrast, as it can hinder usability for individuals with visual impairments.

Shades

Digital Color Formats

RGB
26 0 163
RGB26 0 163
Red
Green
Blue
HSL
249.57deg 100% 31.96%
249.5710031.96HSL
Hue
Saturation
Lightness
HWB
249.57deg 0% 36.08%
249.57036.08HWB
Hue
Whiteness
Blackness
hex#1A00A3
rgb26 0 163
hsl249.57deg 100% 31.96%
cmyk84.05% 100% 0% 36.08%
hwb249.57deg 0% 36.08%
xyz-d650.07 0.03 0.35
oklch0.3323 0.2183 269.78
oklab0.3323 0 -0.22
CMYK
84.05% 100% 0% 36.08%
84.05100036.08CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.07 0.03 0.35
0.070.030.35XYZ
X
Y
Z
OKLCH
0.3323 0.2183 269.78
0.33230.2183269.78LCH
Lightness
Chroma
Hue
OKLAB
0.3323 0 -0.22
0.33230-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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