Ultramarine

#0D128A

General Information about Ultramarine

The color #0D128A, also known as Ultramarine, is a deep, saturated blue hue. It falls within the blue color family, characterized by its association with calmness, stability, and intelligence. In the RGB color model, it consists of 5.1% red, 7.1% green, and 54.1% blue. The name 'Ultramarine' originates from the Latin 'ultramarinus,' meaning 'beyond the sea,' as it was historically derived from the precious gemstone lapis lazuli, which was imported from distant lands. This color has been highly valued throughout history, particularly during the Renaissance, for its vibrant and lasting pigment. It is often associated with royalty, spirituality, and the arts.

The hex color #0D128A, also known as Ultramarine, presents certain accessibility challenges, particularly in text-based contexts. Due to its dark hue, it requires careful consideration of contrast ratios to ensure readability for users with visual impairments. When used as a background color, it's crucial to pair it with light-colored text, such as white or light yellow, to meet WCAG (Web Content Accessibility Guidelines) standards for contrast. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Additionally, avoid using this color for interactive elements like buttons or links without providing sufficient visual cues, such as borders or icons, to distinguish them from the surrounding content. Thoughtful application of focus states is also essential to aid keyboard navigation. To maintain accessibility, thoroughly test color combinations with accessibility tools to ensure compliance with accessibility standards.

Shades

Digital Color Formats

RGB
13 18 138
RGB13 18 138
Red
Green
Blue
HSL
237.6deg 82.78% 29.61%
237.682.7829.61HSL
Hue
Saturation
Lightness
HWB
237.6deg 5.1% 45.88%
237.65.145.88HWB
Hue
Whiteness
Blackness
hex#0D128A
rgb13 18 138
hsl237.6deg 82.78% 29.61%
cmyk90.58% 86.96% 0% 45.88%
hwb237.6deg 5.1% 45.88%
xyz-d650.05 0.02 0.24
oklch0.3056 0.1853 267.15
oklab0.3056 -0.01 -0.19
CMYK
90.58% 86.96% 0% 45.88%
90.5886.96045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.24
0.050.020.24XYZ
X
Y
Z
OKLCH
0.3056 0.1853 267.15
0.30560.1853267.15LCH
Lightness
Chroma
Hue
OKLAB
0.3056 -0.01 -0.19
0.3056-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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