Ultramarine

#0A0E91

General Information about #0A0E91 (Ultramarine)

The hexadecimal color code #0A0E91 represents a dark shade of blue, often referred to as Ultramarine. This color is composed of 3.92% red, 5.49% green, and 56.86% blue. In the RGB color model, it is defined as (10, 14, 145). Ultramarine is a color with a rich history, originally derived from the precious stone lapis lazuli. It has been highly valued by artists throughout the centuries for its deep, vibrant hue. In modern color theory, Ultramarine is considered a cool color, often associated with depth, stability, and tranquility. Its hexadecimal representation allows for precise reproduction in digital media, making it a popular choice for web design, graphic design, and other creative applications.

The color #0A0E91, a deep ultramarine, presents some accessibility challenges, particularly regarding text contrast. When using this color as a background, it is crucial to pair it with very light text (white or near-white) to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard text sizes, and 7:1 for larger text. Tools like contrast checkers can help verify compliance with WCAG guidelines. Avoid using #0A0E91 for small text or important interface elements without careful consideration of contrast. Also, avoid pairing it with other dark colors. Visually impaired users may struggle to differentiate elements if the contrast is insufficient. Providing alternative high-contrast themes or allowing users to customize colors can further improve accessibility.

Shades

Digital Color Formats

RGB
10 14 145
RGB10 14 145
Red
Green
Blue
HSL
238.22deg 87.1% 30.39%
238.2287.130.39HSL
Hue
Saturation
Lightness
HWB
238.22deg 3.92% 43.14%
238.223.9243.14HWB
Hue
Whiteness
Blackness
hex#0A0E91
rgb10 14 145
hsl238.22deg 87.1% 30.39%
cmyk93.1% 90.34% 0% 43.14%
hwb238.22deg 3.92% 43.14%
xyz-d650.05 0.02 0.27
oklch0.3103 0.1965 266.31
oklab0.3103 -0.01 -0.2
CMYK
93.1% 90.34% 0% 43.14%
93.190.34043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.27
0.050.020.27XYZ
X
Y
Z
OKLCH
0.3103 0.1965 266.31
0.31030.1965266.31LCH
Lightness
Chroma
Hue
OKLAB
0.3103 -0.01 -0.2
0.3103-0.01-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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