Ultramarine

#100593

General Information about Ultramarine

#100593 is a deep, saturated shade of blue known as Ultramarine. It is a dark color which belongs to the blue color family. In the RGB color model, it consists of 6.27% red, 1.96% green, and 57.65% blue. Its hexadecimal representation, #100593, is commonly used in web design and digital graphics. Ultramarine's historical significance lies in its origins as a pigment derived from the precious gemstone lapis lazuli, making it highly valued by artists for centuries. The name "Ultramarine" literally means "beyond the sea", reffering to the fact that the pigment was imported to Europe from Asia over sea. This color has a long history and can be seen in many historical paintings.

The hex color #100593, a deep ultramarine, presents significant accessibility challenges, particularly for text. Its very low luminance of 0.008 necessitates extreme caution when pairing it with other colors. Using #100593 as a background color requires very light text to achieve sufficient contrast for readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text, and 3:1 for large text, as per WCAG guidelines. Due to the darkness of this color, only shades approaching pure white will likely meet these requirements. Therefore, it is crucial to rigorously test color combinations to ensure compliance with accessibility standards. If you want to use this color for text you have to choose a very dark background to provide enough contrast. Otherwise you have to avoid using this color for text.

Shades

Digital Color Formats

RGB
16 5 147
RGB16 5 147
Red
Green
Blue
HSL
244.65deg 93.42% 29.8%
244.6593.4229.8HSL
Hue
Saturation
Lightness
HWB
244.65deg 1.96% 42.35%
244.651.9642.35HWB
Hue
Whiteness
Blackness
hex#100593
rgb16 5 147
hsl244.65deg 93.42% 29.8%
cmyk89.12% 96.6% 0% 42.35%
hwb244.65deg 1.96% 42.35%
xyz-d650.06 0.02 0.28
oklch0.3086 0.2017 267.74
oklab0.3086 -0.01 -0.2
CMYK
89.12% 96.6% 0% 42.35%
89.1296.6042.35CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.28
0.060.020.28XYZ
X
Y
Z
OKLCH
0.3086 0.2017 267.74
0.30860.2017267.74LCH
Lightness
Chroma
Hue
OKLAB
0.3086 -0.01 -0.2
0.3086-0.01-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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