Jacksons Purple

#1B287D

General Information

The hex color #1B287D, also known as Jackson's Purple, is a dark and rich shade of blue-purple. It is composed of 10.6% red, 15.7% green, and 49% blue. In the RGB color space, it represents a relatively low intensity of red and green compared to blue, resulting in its characteristic deep hue. The color's name suggests a connection to art or design, possibly named after an artist or designer who favored this particular shade. In the context of color theory, #1B287D falls within the cool color spectrum, often associated with feelings of calmness, sophistication, and mystery. Its dark nature makes it suitable for applications where depth and richness are desired. It’s important to consider its contrast with other colors when using it in designs to ensure readability and accessibility.

The color #1B287D, a deep purplish-blue, presents significant accessibility challenges, particularly concerning color contrast. When used as text against a white background, it fails to meet WCAG (Web Content Accessibility Guidelines) standards for normal text (AA) and large text (AA and AAA). This means users with visual impairments may struggle to read content displayed in this color. Similarly, using white text on a #1B287D background also presents contrast issues. To improve accessibility, consider using a lighter color for text on a #1B287D background or a darker color for text on a light background. Tools like contrast checkers can help determine compliant color combinations. Additionally, avoid relying solely on color to convey important information, as colorblind users may not perceive the intended message. Providing alternative cues, such as text labels or icons, ensures broader accessibility. Testing with different accessibility tools is crucial to validate the implementation.

Shades

Digital Color Formats

RGB
27 40 125
RGB27 40 125
Red
Green
Blue
HSL
232.04deg 64.47% 29.8%
232.0464.4729.8HSL
Hue
Saturation
Lightness
HWB
232.04deg 10.59% 50.98%
232.0410.5950.98HWB
Hue
Whiteness
Blackness
hex#1B287D
rgb27 40 125
hsl232.04deg 64.47% 29.8%
cmyk78.4% 68% 0% 50.98%
hwb232.04deg 10.59% 50.98%
xyz-d650.05 0.03 0.2
oklch0.3293 0.1434 269.62
oklab0.3293 0 -0.14
CMYK
78.4% 68% 0% 50.98%
78.468050.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.03 0.2
0.050.030.2XYZ
X
Y
Z
OKLCH
0.3293 0.1434 269.62
0.32930.1434269.62LCH
Lightness
Chroma
Hue
OKLAB
0.3293 0 -0.14
0.32930-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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