Ultramarine

#0A1991

General Information about #0A1991

#0A1991, also known as Ultramarine, is a deep shade of blue within the blue color family. It possesses a rich and intense character, often associated with depth, stability, and sophistication. In the RGB color model, #0A1991 consists of 3.92% red, 9.8% green, and 56.86% blue. In the CMYK color model, commonly used in printing, it is composed of 93% cyan, 83% magenta, 0% yellow, and 43% black. Its hexadecimal representation makes it easily identifiable and usable in digital design. Ultramarine's long history stretches back to being derived from the gemstone lapis lazuli, making it a pigment prized for its rarity and beauty. This color holds symbolic meaning in various cultures, often representing wisdom, trust, and loyalty. Today, it continues to be a popular choice in design, art, and fashion.

The color #0A1991, a deep ultramarine, presents specific accessibility challenges. Its low luminance value means it requires careful consideration when used for text or interactive elements. According to WCAG guidelines, sufficient contrast between text and background is essential for readability. When using #0A1991 as a background, ensure foreground text is a light color, such as white or a very pale yellow, to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. Avoid pairing #0A1991 with mid-tone colors, as they are likely to fail contrast tests. Additionally, avoid relying solely on color to convey important information; use supplementary cues like text labels or icons to accommodate users with color vision deficiencies. Thoughtful application of this color enhances accessibility and inclusivity.

Shades

Digital Color Formats

RGB
10 25 145
RGB10 25 145
Red
Green
Blue
HSL
233.33deg 87.1% 30.39%
233.3387.130.39HSL
Hue
Saturation
Lightness
HWB
233.33deg 3.92% 43.14%
233.333.9243.14HWB
Hue
Whiteness
Blackness
hex#0A1991
rgb10 25 145
hsl233.33deg 87.1% 30.39%
cmyk93.1% 82.76% 0% 43.14%
hwb233.33deg 3.92% 43.14%
xyz-d650.06 0.03 0.27
oklch0.3218 0.1887 266.05
oklab0.3218 -0.01 -0.19
CMYK
93.1% 82.76% 0% 43.14%
93.182.76043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.03 0.27
0.060.030.27XYZ
X
Y
Z
OKLCH
0.3218 0.1887 266.05
0.32180.1887266.05LCH
Lightness
Chroma
Hue
OKLAB
0.3218 -0.01 -0.19
0.3218-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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