Ultramarine

#180FA5

General Information about #180FA5 (Ultramarine)

The hexadecimal color code #180FA5 represents a dark shade of blue, specifically Ultramarine. In the RGB color model, it is composed of 9.41% red, 5.88% green, and 64.71% blue. This significant dominance of blue gives the color its characteristic deep and saturated appearance. Ultramarine is a color often associated with depth, stability, and confidence. It is widely used in art, design, and various other applications to evoke feelings of trust and security. The color is created by mixing components of the RGB (red, green, blue) colors. Ultramarine is a non-spectral color, meaning it cannot be produced by a single wavelength of light. The name is taken from the pigment ultramarine, which was originally made from the mineral lapis lazuli.

The color #180FA5, also known as Ultramarine, presents some accessibility challenges, especially concerning text legibility. Due to its dark hue, using it as a background color necessitates pairing it with light-colored text (white or very light shades of yellow or gray) to ensure sufficient contrast. According to WCAG (Web Content Accessibility Guidelines), a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. It's crucial to verify the contrast ratio using accessibility tools before deploying this color in user interfaces. Moreover, avoid using #180FA5 as a primary color for interactive elements like buttons or links without a clear visual cue (e.g., an underline or a contrasting border) to help users with visual impairments identify them. When used with images or illustrations, ensure that important details aren't lost due to the dark color. Careful consideration and testing with various accessibility tools are essential when incorporating this color into designs intended for a diverse audience.

Shades

Digital Color Formats

RGB
24 15 165
RGB24 15 165
Red
Green
Blue
HSL
243.6 83.33% 35.29%
243.683.3335.29HSL
Hue
Saturation
Lightness
HWB
243.6 5.88% 35.29%
243.65.8835.29HWB
Hue
Whiteness
Blackness
hex#180FA5
rgb24 15 165
hsl243.6 83.33% 35.29%
cmyk85.45% 90.91% 0% 35.29%
hwb243.6 5.88% 35.29%
xyz7.34 3.25 35.84
CMYK
85.45% 90.91% 0% 35.29%
85.4590.91035.29CMYK
Cyan
Magenta
Yellow
Key
XYZ
7.34 3.25 35.84
7.343.2535.84XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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