Ultramarine

#2304B0

General Information

Ultramarine, represented by the hexadecimal color code #2304B0, is a deep and vivid shade of blue. It is a tertiary color, resulting from a mixture of primary blue and secondary violet tones. Historically, Ultramarine pigment was derived from lapis lazuli, making it one of the most expensive and highly prized pigments. The name 'Ultramarine' itself originates from the Latin 'ultramarinus,' meaning 'beyond the sea,' referring to its import from Asia. In modern color theory, Ultramarine is often associated with qualities such as depth, stability, and sophistication. Its unique combination of hues makes it a versatile choice in various design contexts.

The color #2304B0, also known as Ultramarine, presents some accessibility challenges. Its dark hue means that it requires light-colored text for sufficient contrast to meet WCAG guidelines. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using this color as a background, ensure that the text is appropriately sized and weighted to maintain readability. Using color contrast tools can help verify compliance. Additionally, avoid using color alone to convey important information; supplement with text labels or icons to accommodate users with color vision deficiencies. Considering these factors is crucial for creating inclusive and accessible designs.

Shades

Digital Color Formats

RGB
35 4 176
RGB35 4 176
Red
Green
Blue
HSL
250.81 95.56% 35.29%
250.8195.5635.29HSL
Hue
Saturation
Lightness
HWB
250.81 1.57% 30.98%
250.811.5730.98HWB
Hue
Whiteness
Blackness
hex#2304B0
rgb35 4 176
hsl250.81 95.56% 35.29%
cmyk80.11% 97.73% 0% 30.98%
hwb250.81 1.57% 30.98%
xyz8.57 3.58 41.31
CMYK
80.11% 97.73% 0% 30.98%
80.1197.73030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.57 3.58 41.31
8.573.5841.31XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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