Ultramarine

#140D8B

General Information about Ultramarine (#140D8B)

The hex color #140D8B, often referred to as Ultramarine, is a deep, saturated shade of blue. In the RGB color model, it consists of 7.84% red, 5.1% green, and 54.51% blue. This composition gives it a distinctive and intense appearance, making it a popular choice in various design applications. Ultramarine's historical significance is rooted in its origins as a pigment derived from the precious mineral lapis lazuli, making it highly valued by artists and royalty. Today, it is synthetically produced, but it retains its association with luxury and artistic expression. Its deep hue and association with depth and stability makes it ideal for use as a background color. Ultramarine is often used to evoke feelings of calmness, trust, and authority.

The color #140D8B, a deep shade of blue often referred to as Ultramarine, presents several accessibility considerations, particularly for web design. Its low lightness value can cause contrast issues with lighter text or background colors. According to WCAG guidelines, sufficient contrast ratios are crucial for readability and usability, especially for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #140D8B as a background, it is essential to pair it with a light foreground color such as white or a very light yellow to ensure compliance. Using contrast checking tools is highly advisable to confirm that the chosen color combination meets accessibility standards. Furthermore, avoid using #140D8B as the sole means of conveying important information, such as in links or interactive elements, as colorblind users may not be able to distinguish it effectively. Providing supplementary cues, like underlines or icons, can enhance accessibility and inclusivity.

Shades

Digital Color Formats

RGB
20 13 139
RGB20 13 139
Red
Green
Blue
HSL
243.33deg 82.89% 29.8%
243.3382.8929.8HSL
Hue
Saturation
Lightness
HWB
243.33deg 5.1% 45.49%
243.335.145.49HWB
Hue
Whiteness
Blackness
hex#140D8B
rgb20 13 139
hsl243.33deg 82.89% 29.8%
cmyk85.61% 90.65% 0% 45.49%
hwb243.33deg 5.1% 45.49%
xyz-d650.05 0.02 0.25
oklch0.3051 0.1879 269.31
oklab0.3051 0 -0.19
CMYK
85.61% 90.65% 0% 45.49%
85.6190.65045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.25
0.050.020.25XYZ
X
Y
Z
OKLCH
0.3051 0.1879 269.31
0.30510.1879269.31LCH
Lightness
Chroma
Hue
OKLAB
0.3051 0 -0.19
0.30510-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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