Ultramarine

#0F1589

General Information about Ultramarine

The color #0F1589, commonly known as Ultramarine, is a deep and intense shade of blue. It resides within the blue color spectrum and is characterized by its high saturation and relatively low brightness. In the RGB color model, it is composed of 5.9% red, 8.2% green, and 53.7% blue. Ultramarine's hexadecimal representation, #0F1589, is widely used in web design and digital art to specify this particular hue. The color is often associated with concepts such as depth, stability, and trust, making it a popular choice for branding and corporate communications. Historically, ultramarine pigment was derived from the mineral lapis lazuli, making it one of the most expensive and highly prized pigments. Today, synthetic ultramarine is readily available, offering a more affordable alternative while retaining the color's distinctive characteristics. Its rich and vibrant tone continues to make it a favorite among artists and designers.

The color #0F1589, a deep shade of ultramarine, presents significant accessibility challenges, particularly in text-based contexts. Its low luminance value (relative darkness) requires careful consideration of contrast ratios when paired with foreground colors. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments to perceive content effectively. When using #0F1589 as a background, it's imperative to select a light foreground color, such as white or a very pale yellow, to ensure a contrast ratio of at least 4.5:1 for standard text and 3:1 for large text. Insufficient contrast can render text illegible for many users. It's also wise to avoid using this color for essential UI elements or controls without providing alternative visual cues, such as borders or icons, to enhance distinguishability. Additionally, consider providing users with options to customize color schemes to meet their individual needs.

Shades

Digital Color Formats

RGB
15 21 137
RGB15 21 137
Red
Green
Blue
HSL
237.05deg 80.26% 29.8%
237.0580.2629.8HSL
Hue
Saturation
Lightness
HWB
237.05deg 5.88% 46.27%
237.055.8846.27HWB
Hue
Whiteness
Blackness
hex#0F1589
rgb15 21 137
hsl237.05deg 80.26% 29.8%
cmyk89.05% 84.67% 0% 46.27%
hwb237.05deg 5.88% 46.27%
xyz-d650.05 0.02 0.24
oklch0.3083 0.1814 267.6
oklab0.3083 -0.01 -0.18
CMYK
89.05% 84.67% 0% 46.27%
89.0584.67046.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.24
0.050.020.24XYZ
X
Y
Z
OKLCH
0.3083 0.1814 267.6
0.30830.1814267.6LCH
Lightness
Chroma
Hue
OKLAB
0.3083 -0.01 -0.18
0.3083-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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