Dark Blue

#0021C9

General Information about Dark Blue

The hex color #0021c9, also known as Dark Blue, is a deep and saturated shade of blue. It is represented by 0 red, 33 green, and 201 blue in the RGB color model. In the CMYK color model, it consists of 100% cyan, 84% magenta, 0% yellow, and 21% black. This color evokes feelings of trust, loyalty, and intelligence, making it a popular choice for branding and design projects. Dark Blue is often associated with corporate identities, technology companies, and educational institutions. Its depth and richness provide a sense of authority and professionalism. In color psychology, dark blue is seen as calming and reassuring.

The hex color #0021c9, a deep shade of blue, presents several accessibility considerations. Its dark nature means it generally requires light-colored text for sufficient contrast. Using a color contrast checker is highly recommended to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text, as per WCAG guidelines. This color might not be suitable for backgrounds if large amounts of text need to be displayed, as it can cause eye strain. When used for interactive elements, like buttons or links, ensure there's a clear visual distinction in states like hover, focus, and active to aid users with visual impairments or those relying on keyboard navigation. This dark blue is best used sparingly for visual accents and graphical elements where color contrast is less critical.

Shades

Digital Color Formats

RGB
0 33 201
RGB0 33 201
Red
Green
Blue
HSL
230.15deg 100% 39.41%
230.1510039.41HSL
Hue
Saturation
Lightness
HWB
230.15deg 0% 21.18%
230.15021.18HWB
Hue
Whiteness
Blackness
hex#0021C9
rgb0 33 201
hsl230.15deg 100% 39.41%
cmyk100% 83.58% 0% 21.18%
hwb230.15deg 0% 21.18%
xyz-d650.11 0.05 0.56
oklch0.3998 0.2471 264.2
oklab0.3998 -0.02 -0.25
CMYK
100% 83.58% 0% 21.18%
10083.58021.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.05 0.56
0.110.050.56XYZ
X
Y
Z
OKLCH
0.3998 0.2471 264.2
0.39980.2471264.2LCH
Lightness
Chroma
Hue
OKLAB
0.3998 -0.02 -0.25
0.3998-0.02-0.25LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons