Ultramarine

#100794

General Information about Ultramarine

Ultramarine, represented by the hex code #100794, is a deep blue color known for its rich and intense hue. Historically, it was derived from the precious gemstone lapis lazuli, making it one of the most expensive pigments used in Renaissance painting. The name 'ultramarine' literally means 'beyond the sea,' referring to its origin as a pigment imported from overseas. Modern ultramarine is synthetically produced, making it more accessible and affordable. It is valued for its non-toxic properties and excellent lightfastness. Its chemical composition typically includes sodium aluminosilicate with small amounts of sulfur, which gives it its characteristic blue color. This color evokes feelings of tranquility, depth, and sophistication.

The color #100794, a deep ultramarine, presents certain accessibility challenges, particularly in text applications. Its low luminance of 3.6 cd/m² necessitates careful consideration of contrast ratios to ensure readability. When used as a text color, it demands a light background to meet WCAG (Web Content Accessibility Guidelines) standards for contrast. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Insufficient contrast can hinder users with visual impairments, including those with low vision or color blindness, from perceiving content effectively. Therefore, designers must prioritize sufficient contrast and provide alternative color schemes or adjustments to accommodate diverse user needs and ensure inclusive access to information.

Shades

Digital Color Formats

RGB
16 7 148
RGB16 7 148
Red
Green
Blue
HSL
243.83 90.97% 30.39%
243.8390.9730.39HSL
Hue
Saturation
Lightness
HWB
243.83 2.75% 41.96%
243.832.7541.96HWB
Hue
Whiteness
Blackness
hex#100794
rgb16 7 148
hsl243.83 90.97% 30.39%
cmyk89.19% 95.27% 0% 41.96%
hwb243.83 2.75% 41.96%
xyz5.63 2.4 28.18
CMYK
89.19% 95.27% 0% 41.96%
89.1995.27041.96CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.63 2.4 28.18
5.632.428.18XYZ
X
Y
Z

Alternative colors

Applications

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