Ultramarine

#180494

General Information about Ultramarine (#180494)

The color #180494, commonly known as Ultramarine, is a deep and intense shade of blue. Historically, ultramarine pigment was derived from the semi-precious stone lapis lazuli, making it one of the most expensive and prized pigments. The name "ultramarine" literally means "beyond the sea," referring to its origin from stones imported into Europe from distant lands. Today, synthetic ultramarine is widely available, retaining the vibrant hue of the natural pigment at a fraction of the cost. This color is often associated with royalty, intellect, and depth. In color psychology, deep blues like #180494 can evoke feelings of calmness, trust, and authority. Its rich and saturated nature makes it a popular choice in various design applications.

The hex color #180494, a deep ultramarine, presents significant accessibility challenges, particularly in text applications. Its low luminance value necessitates careful consideration of contrast ratios. According to WCAG guidelines, sufficient contrast between text and background is crucial for readability, especially for users with visual impairments. When using #180494 as a background color, ensure that the text color is a light hue to meet the minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. Avoid pairing #180494 with mid-tone or dark colors, as this will result in illegible text. In UI design, use #180494 sparingly for decorative elements or accents rather than primary interactive components, or provide alternative high-contrast themes. For elements requiring user interaction, such as buttons or links, consider adding a contrasting border or hover effect to enhance visibility and usability. Always prioritize user experience and accessibility when incorporating such a deeply saturated color into your designs.

Shades

Digital Color Formats

RGB
24 4 148
RGB24 4 148
Red
Green
Blue
HSL
248.33deg 94.74% 29.8%
248.3394.7429.8HSL
Hue
Saturation
Lightness
HWB
248.33deg 1.57% 41.96%
248.331.5741.96HWB
Hue
Whiteness
Blackness
hex#180494
rgb24 4 148
hsl248.33deg 94.74% 29.8%
cmyk83.78% 97.3% 0% 41.96%
hwb248.33deg 1.57% 41.96%
xyz-d650.06 0.02 0.28
oklch0.313 0.2011 270.2
oklab0.313 0 -0.2
CMYK
83.78% 97.3% 0% 41.96%
83.7897.3041.96CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.28
0.060.020.28XYZ
X
Y
Z
OKLCH
0.313 0.2011 270.2
0.3130.2011270.2LCH
Lightness
Chroma
Hue
OKLAB
0.313 0 -0.2
0.3130-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons