Ultramarine

#180F88

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #180F88, is a deep, vivid blue hue reminiscent of the precious pigment derived from lapis lazuli. This color evokes feelings of sophistication, depth, and tranquility, and has historically been associated with royalty and artistic expression. In color theory, Ultramarine is classified as a cool color, often used to create a sense of calm and stability. Its rich pigmentation makes it a popular choice in various applications, ranging from digital design to fine art. The intensity of Ultramarine allows it to stand out prominently, adding a touch of elegance and drama to any visual composition. Its unique spectral properties make it a beloved color in the creative world.

The contrast ratio of #180F88 against white is approximately 11.8:1, exceeding the WCAG AAA requirements for text and graphical elements. This ensures excellent readability for users with visual impairments. Against black, the contrast ratio is significantly lower at around 1.8:1, posing readability challenges. When using #180F88 as a background, opt for light text colors like white or very light yellows to maintain optimal accessibility. Avoid using it with dark text or for intricate graphical details where clarity is crucial. Ensure sufficient spacing and font sizes to further enhance readability, especially for longer text passages. Consider using contrast checking tools to validate the color combination's accessibility before implementation.

Shades

Digital Color Formats

RGB
24 15 136
RGB24 15 136
Red
Green
Blue
HSL
244.46deg 80.13% 29.61%
244.4680.1329.61HSL
Hue
Saturation
Lightness
HWB
244.46deg 5.88% 46.67%
244.465.8846.67HWB
Hue
Whiteness
Blackness
hex#180F88
rgb24 15 136
hsl244.46deg 80.13% 29.61%
cmyk82.35% 88.97% 0% 46.67%
hwb244.46deg 5.88% 46.67%
xyz-d650.05 0.02 0.23
oklch0.3049 0.1821 270.94
oklab0.3049 0 -0.18
CMYK
82.35% 88.97% 0% 46.67%
82.3588.97046.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.23
0.050.020.23XYZ
X
Y
Z
OKLCH
0.3049 0.1821 270.94
0.30490.1821270.94LCH
Lightness
Chroma
Hue
OKLAB
0.3049 0 -0.18
0.30490-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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