Ultramarine

#101188

General Information about Ultramarine

The hex color #101188, commonly referred to as Ultramarine, is a deep and rich shade of blue. It belongs to the blue color family and possesses a strong presence and visual impact. In the RGB color model, it is composed of 6.27% red, 6.67% green, and 53.33% blue. This significant concentration of blue gives the color its characteristic hue. Ultramarine is often associated with qualities such as depth, stability, and trust, making it a popular choice in various design applications. Understanding the color's composition and characteristics is essential for effectively incorporating it into different projects, ensuring that it complements the overall aesthetic and conveys the intended message. In the world of web design, using this color can add a touch of elegance and sophistication.

The color #101188, a deep shade of ultramarine, presents significant accessibility challenges, particularly in web design. Its low lightness value results in poor contrast against both white and light backgrounds, making text and other elements difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are crucial for ensuring readability. To improve accessibility, consider using this color sparingly for decorative elements or pairing it with much lighter colors that provide a high contrast ratio. For text, a minimum contrast ratio of 4.5:1 is recommended for normal text and 3:1 for large text. Tools like contrast checkers can help evaluate the contrast ratio between #101188 and other colors. Also avoid using it to convey critical information without appropriate color-blindness safe contrast.

Shades

Digital Color Formats

RGB
16 17 136
RGB16 17 136
Red
Green
Blue
HSL
239.5deg 78.95% 29.8%
239.578.9529.8HSL
Hue
Saturation
Lightness
HWB
239.5deg 6.27% 46.67%
239.56.2746.67HWB
Hue
Whiteness
Blackness
hex#101188
rgb16 17 136
hsl239.5deg 78.95% 29.8%
cmyk88.24% 87.5% 0% 46.67%
hwb239.5deg 6.27% 46.67%
xyz-d650.05 0.02 0.23
oklch0.303 0.1829 268.1
oklab0.303 -0.01 -0.18
CMYK
88.24% 87.5% 0% 46.67%
88.2487.5046.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.23
0.050.020.23XYZ
X
Y
Z
OKLCH
0.303 0.1829 268.1
0.3030.1829268.1LCH
Lightness
Chroma
Hue
OKLAB
0.303 -0.01 -0.18
0.303-0.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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