Ultramarine

#0A0299

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #0A0299, is a deep blue pigment originally derived from the precious stone lapis lazuli. Its name literally means 'beyond the sea,' reflecting its origin from stones imported into Europe from Asia. Chemically, modern ultramarine is a complex sodium alumino-silicate containing sulfur, giving it its characteristic color. It's known for its exceptional lightfastness, intensity, and resistance to fading. In the RGB color model, it consists of 3.92% red, 0.78% green, and 60% blue. This color is often associated with royalty, the ocean depths, and a sense of calm and serenity. Ultramarine has been used in art since the 6th century and continues to be valued for its vibrant and enduring hue.

The color #0A0299, a deep ultramarine, presents significant accessibility challenges, especially when used as a background or text color. Its low luminance creates insufficient contrast with lighter colors, potentially violating WCAG (Web Content Accessibility Guidelines) standards. To ensure readability, especially for users with visual impairments, it is crucial to pair this color with very light hues such as white (#FFFFFF) or very light shades of gray. Testing with accessibility tools is highly recommended to verify sufficient contrast ratios, aiming for a minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Consider alternative color combinations or adjustments to text size and weight to improve accessibility. Avoid using this color for essential user interface elements or critical information without proper contrast.

Shades

Digital Color Formats

RGB
10 2 153
RGB10 2 153
Red
Green
Blue
HSL
243.18 97.42% 30.39%
243.1897.4230.39HSL
Hue
Saturation
Lightness
HWB
243.18 0.78% 40%
243.180.7840HWB
Hue
Whiteness
Blackness
hex#0A0299
rgb10 2 153
hsl243.18 97.42% 30.39%
cmyk93.46% 98.69% 0% 40%
hwb243.18 0.78% 40%
xyz5.9 2.41 30.29
CMYK
93.46% 98.69% 0% 40%
93.4698.69040CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.9 2.41 30.29
5.92.4130.29XYZ
X
Y
Z

Alternative colors

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