Ultramarine

#0D108A

General Information

The hexadecimal color code #0D108A represents a dark shade of blue, often referred to as Ultramarine. In the RGB color model, it is composed of 5.1% red, 6.3% green, and 54.1% blue. This composition places it firmly within the blue color spectrum, known for its associations with calmness, stability, and trust. The color's low red and green values contribute to its depth and richness, making it a popular choice for conveying sophistication and authority. In the world of color theory, #0D108A can be used to create visually appealing contrasts with complementary colors, enhancing its prominence and making it suitable for various design applications. Its dark nature necessitates careful consideration of contrast ratios when used in text or user interfaces.

The color #0D108A, a deep ultramarine, presents some accessibility challenges, particularly for users with visual impairments. Its low luminance value means that text rendered in this color requires careful consideration of contrast ratios against background colors. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text (14pt bold or 18pt regular). When using #0D108A for text, pairing it with light or very bright backgrounds is essential to ensure readability. Conversely, using it as a background color necessitates light-colored text for optimal contrast. It is important to test color combinations with accessibility tools to verify compliance with WCAG standards, and to ensure that content is accessible to the widest possible audience. Avoid using this color for essential information without sufficient contrast.

Shades

Digital Color Formats

RGB
13 16 138
RGB13 16 138
Red
Green
Blue
HSL
238.56deg 82.78% 29.61%
238.5682.7829.61HSL
Hue
Saturation
Lightness
HWB
238.56deg 5.1% 45.88%
238.565.145.88HWB
Hue
Whiteness
Blackness
hex#0D108A
rgb13 16 138
hsl238.56deg 82.78% 29.61%
cmyk90.58% 88.41% 0% 45.88%
hwb238.56deg 5.1% 45.88%
xyz-d650.05 0.02 0.24
oklch0.3035 0.1867 267.21
oklab0.3035 -0.01 -0.19
CMYK
90.58% 88.41% 0% 45.88%
90.5888.41045.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.24
0.050.020.24XYZ
X
Y
Z
OKLCH
0.3035 0.1867 267.21
0.30350.1867267.21LCH
Lightness
Chroma
Hue
OKLAB
0.3035 -0.01 -0.19
0.3035-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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