Cello

#28345A

General Information about #28345A

The hex color #28345A, also known as Cello, is a dark shade of blue-purple. It's a sophisticated and calming color often associated with trust, stability, and depth. In the RGB color model, it's composed of 16.1% red, 20.4% green, and 35.3% blue. In the CMYK color model, it's made up of 54% cyan, 42% magenta, 0% yellow, and 65% black. This color is often used in branding and design projects to convey a sense of reliability and professionalism. The color is also used in different gradients, patterns, and visual effects. Its subdued nature makes it a versatile choice for backgrounds, text, and other design elements. It can create a sense of elegance and serenity in various applications.

The hex color #28345A, also known as Cello, presents some accessibility challenges, especially concerning text readability. When using this color for backgrounds, it's crucial to choose a text color that provides sufficient contrast. White or very light shades generally work better than darker colors. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text to meet WCAG (Web Content Accessibility Guidelines) AA standards. Tools like online contrast checkers can help assess the contrast ratio between the foreground and background colors. For users with visual impairments, ensure interactive elements have clear visual cues beyond just color. Consider adding borders, underlines, or icons to links and buttons to make them more distinguishable. Proper ARIA attributes can also enhance accessibility for screen reader users.

Shades

Digital Color Formats

RGB
40 52 90
RGB40 52 90
Red
Green
Blue
HSL
225.6deg 38.46% 25.49%
225.638.4625.49HSL
Hue
Saturation
Lightness
HWB
225.6deg 15.69% 64.71%
225.615.6964.71HWB
Hue
Whiteness
Blackness
hex#28345A
rgb40 52 90
hsl225.6deg 38.46% 25.49%
cmyk55.56% 42.22% 0% 64.71%
hwb225.6deg 15.69% 64.71%
xyz-d650.04 0.04 0.1
oklch0.3342 0.0692 269.2
oklab0.3342 0 -0.07
CMYK
55.56% 42.22% 0% 64.71%
55.5642.22064.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.1
0.040.040.1XYZ
X
Y
Z
OKLCH
0.3342 0.0692 269.2
0.33420.0692269.2LCH
Lightness
Chroma
Hue
OKLAB
0.3342 0 -0.07
0.33420-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons