Ultramarine

#0D0E8B

General Information about #0D0E8B

The hexadecimal color code #0D0E8B represents a deep shade of blue known as Ultramarine. It is composed of 5.1% red, 5.5% green, and 54.5% blue. In the RGB (red, green, blue) color model, it has values of 13 red, 14 green, and 139 blue. In the CMYK (cyan, magenta, yellow, key/black) color model, its approximate values are 91% cyan, 90% magenta, 0% yellow, and 45% black. Ultramarine has a hue angle of 239.5 degrees, a saturation of 83.4%, and a lightness of 29.8%. This color is often associated with depth, stability, and trust, and is frequently used in branding and design to convey these qualities. It is a dark color with very low saturation and luminance.

The color #0D0E8B, a deep ultramarine, presents several accessibility challenges, especially in web design. Its low luminance value (very dark) means that it requires careful consideration of color contrast. When used as a background color, it's essential to pair it with very light text (white or near-white) to ensure sufficient contrast for readability, meeting WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Avoid using this color for essential UI elements like buttons or links without a contrasting background, as users with low vision may struggle to identify them. It is best used for decorative purposes or in combination with high contrast colors. Ensure any interactive elements have sufficient visual cues beyond color alone to be accessible to colorblind users.

Shades

Digital Color Formats

RGB
13 14 139
RGB13 14 139
Red
Green
Blue
HSL
239.52deg 82.89% 29.8%
239.5282.8929.8HSL
Hue
Saturation
Lightness
HWB
239.52deg 5.1% 45.49%
239.525.145.49HWB
Hue
Whiteness
Blackness
hex#0D0E8B
rgb13 14 139
hsl239.52deg 82.89% 29.8%
cmyk90.65% 89.93% 0% 45.49%
hwb239.52deg 5.1% 45.49%
xyz-d650.05 0.02 0.25
oklch0.303 0.1891 267.21
oklab0.303 -0.01 -0.19
CMYK
90.65% 89.93% 0% 45.49%
90.6589.93045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.25
0.050.020.25XYZ
X
Y
Z
OKLCH
0.303 0.1891 267.21
0.3030.1891267.21LCH
Lightness
Chroma
Hue
OKLAB
0.303 -0.01 -0.19
0.303-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons