Ultramarine

#0D198B

General Information about Ultramarine

The hex color code #0D198B represents a dark shade of blue, often referred to as ultramarine. It is composed of 5.1% red, 9.8% green, and 54.5% blue. In the RGB color model, this translates to 13 red, 25 green, and 139 blue. This color is commonly associated with depth, stability, and trust, making it a popular choice for corporate branding and digital interfaces. The color is located in the blue-violet part of the color spectrum and it is perceived as a cool color. Its intensity is relatively high, and the overall impression is one of seriousness and reliability. Ultramarine is used to evoke a sense of authority and competence.

The color #0D198B, a deep ultramarine, presents some accessibility challenges, particularly concerning color contrast. When using this color for text, it is crucial to pair it with very light colors like white or very pale yellows to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using a color contrast checker is essential to verify that the chosen text and background color combination meets these standards. This color may not be suitable for users with low vision or color blindness if used improperly. Ensure that all essential information conveyed through color is also available through other means, such as text labels or symbols.

Shades

Digital Color Formats

RGB
13 25 139
RGB13 25 139
Red
Green
Blue
HSL
234.29deg 82.89% 29.8%
234.2982.8929.8HSL
Hue
Saturation
Lightness
HWB
234.29deg 5.1% 45.49%
234.295.145.49HWB
Hue
Whiteness
Blackness
hex#0D198B
rgb13 25 139
hsl234.29deg 82.89% 29.8%
cmyk90.65% 82.01% 0% 45.49%
hwb234.29deg 5.1% 45.49%
xyz-d650.05 0.03 0.25
oklch0.3151 0.181 266.82
oklab0.3151 -0.01 -0.18
CMYK
90.65% 82.01% 0% 45.49%
90.6582.01045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.03 0.25
0.050.030.25XYZ
X
Y
Z
OKLCH
0.3151 0.181 266.82
0.31510.181266.82LCH
Lightness
Chroma
Hue
OKLAB
0.3151 -0.01 -0.18
0.3151-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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