Ultramarine

#0C158C

General Information about #0C158C

The hexadecimal color code #0C158C represents a shade of deep ultramarine blue. In the RGB color model, it is composed of 4.71% red, 8.24% green, and 54.9% blue. This color is often associated with qualities like stability, trust, and intelligence, making it a popular choice in branding for businesses aiming to project these attributes. Historically, ultramarine pigment was derived from lapis lazuli, making it one of the most expensive and prized pigments. The color evokes a sense of depth and sophistication, often used in art and design to create a sense of calm and authority. Its high blue concentration gives it a cool tone, making it suitable for applications where a sense of tranquility is desired.

The color #0C158C, a deep ultramarine, presents several accessibility considerations for web developers. Its high blue concentration results in low luminance, which impacts contrast ratios. When used as a foreground color, it requires a light background to meet WCAG guidelines for sufficient contrast (minimum 4.5:1 for normal text and 3:1 for large text). A dark background can lead to readability issues, especially for users with visual impairments. Using tools to evaluate contrast ratios is essential. Additionally, avoid using this color as the sole means of conveying information, as colorblind users may not perceive it accurately. Supplement color cues with text labels or other visual indicators to ensure inclusivity and usability for all users.

Shades

Digital Color Formats

RGB
12 21 140
RGB12 21 140
Red
Green
Blue
HSL
235.78deg 84.21% 29.8%
235.7884.2129.8HSL
Hue
Saturation
Lightness
HWB
235.78deg 4.71% 45.1%
235.784.7145.1HWB
Hue
Whiteness
Blackness
hex#0C158C
rgb12 21 140
hsl235.78deg 84.21% 29.8%
cmyk91.43% 85% 0% 45.1%
hwb235.78deg 4.71% 45.1%
xyz-d650.05 0.03 0.25
oklch0.3112 0.1856 266.74
oklab0.3112 -0.01 -0.19
CMYK
91.43% 85% 0% 45.1%
91.4385045.1CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.03 0.25
0.050.030.25XYZ
X
Y
Z
OKLCH
0.3112 0.1856 266.74
0.31120.1856266.74LCH
Lightness
Chroma
Hue
OKLAB
0.3112 -0.01 -0.19
0.3112-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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