Ultramarine

#0F1588

About Ultramarine (#0F1588)

The hexadecimal color code #0F1588 represents a dark shade of blue, often categorized as ultramarine. In the RGB color model, it consists of 5.88% red, 8.24% green, and 53.33% blue. This signifies a strong dominance of blue, resulting in its characteristic deep and rich hue. The color is frequently associated with qualities such as trust, stability, intelligence, and authority. Ultramarine has a rich history, originally derived from the precious gemstone lapis lazuli. Its synthetic form is now widely used in various applications including paints, dyes, and digital displays. The color #0F1588 evokes a sense of depth and formality, making it suitable for designs aiming to convey sophistication and reliability.

The color #0F1588, a deep ultramarine, presents some accessibility challenges, particularly in web design. Its low lightness value (approximately 6%) means that it requires very light text for sufficient contrast. According to WCAG guidelines, using white text on this background would likely pass accessibility standards for normal text (AA) and large text (AAA), but it's crucial to verify this with a contrast checker tool. Avoid using this color for elements where fine details or small text are necessary, as readability could be compromised. Also, consider users with visual impairments who may struggle to differentiate elements of similar darkness. Providing sufficient contrast is key to ensuring an inclusive design. Using a slightly lighter shade or pairing it carefully with contrasting colors can improve accessibility significantly.

Shades

Digital Color Formats

RGB
15 21 136
RGB15 21 136
Red
Green
Blue
HSL
237.02deg 80.13% 29.61%
237.0280.1329.61HSL
Hue
Saturation
Lightness
HWB
237.02deg 5.88% 46.67%
237.025.8846.67HWB
Hue
Whiteness
Blackness
hex#0F1588
rgb15 21 136
hsl237.02deg 80.13% 29.61%
cmyk88.97% 84.56% 0% 46.67%
hwb237.02deg 5.88% 46.67%
xyz-d650.05 0.02 0.24
oklch0.307 0.1802 267.64
oklab0.307 -0.01 -0.18
CMYK
88.97% 84.56% 0% 46.67%
88.9784.56046.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.24
0.050.020.24XYZ
X
Y
Z
OKLCH
0.307 0.1802 267.64
0.3070.1802267.64LCH
Lightness
Chroma
Hue
OKLAB
0.307 -0.01 -0.18
0.307-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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