Ultramarine

#1B0299

General Information about Ultramarine

The color #1B0299, also known as Ultramarine, is a deep and intense shade of blue within the blue-violet spectrum. Historically, ultramarine was a highly prized pigment made from ground lapis lazuli, making it more expensive than gold. It was a color often associated with royalty and religious figures. In modern color terminology, #1B0299 represents a saturated and somewhat dark blue. In the RGB color model, it consists of 10.6% red, 0.8% green, and 60% blue. In the CMYK color model, it's composed of high percentages of cyan, magenta, and black, reflecting its depth. This color evokes feelings of calmness, sophistication, and mystery, due to its proximity to the violet range.

The color #1B0299, a deep ultramarine, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates light-colored text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text, as per WCAG guidelines. Insufficient contrast can exclude users with low vision or color blindness. Also, avoid using this color as the sole indicator for interactive elements; supplement with text labels or icons. Consider providing alternative color schemes to allow users to customize their viewing experience. Thoroughly test color combinations with accessibility tools to identify and rectify any potential usability issues, ensuring content is accessible to the widest possible audience. Remember to consider both foreground and background luminosity.

Shades

Digital Color Formats

RGB
27 2 153
RGB27 2 153
Red
Green
Blue
HSL
249.93 97.42% 30.39%
249.9397.4230.39HSL
Hue
Saturation
Lightness
HWB
249.93 0.78% 40%
249.930.7840HWB
Hue
Whiteness
Blackness
hex#1B0299
rgb27 2 153
hsl249.93 97.42% 30.39%
cmyk82.35% 98.69% 0% 40%
hwb249.93 0.78% 40%
xyz6.22 2.58 30.31
CMYK
82.35% 98.69% 0% 40%
82.3598.69040CMYK
Cyan
Magenta
Yellow
Key
XYZ
6.22 2.58 30.31
6.222.5830.31XYZ
X
Y
Z

Alternative colors

Applications

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