Nile Blue

#223D4A

General Information

The hexadecimal color #223D4A, also known as Nile Blue, is a dark, subdued shade of blue that evokes a sense of calmness and sophistication. It belongs to the family of blue colors, specifically within the darker, cooler spectrum. In the RGB color model, #223D4A consists of 13.33% red, 23.92% green, and 29.02% blue. This composition indicates a dominant blue presence with moderate contributions from red and green, contributing to its unique hue. The color is often associated with professionalism, trustworthiness, and stability. Its subtle and understated nature makes it a versatile choice for various applications, ranging from web design to interior decoration. Nile Blue provides a refined and elegant aesthetic.

The color #223D4A, also known as Nile Blue, presents some accessibility challenges, especially when used as text on a white or light background. Its relatively low luminance value (brightness) means that the contrast ratio might not meet WCAG (Web Content Accessibility Guidelines) standards for sufficient contrast. For instance, if #223D4A is used as text color, ensure that the background is light enough to provide a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text to comply with AA level requirements. Using online contrast checkers can help verify compliance. Consider pairing it with lighter shades of blues, grays, or even off-whites to create a more accessible design. In scenarios where high contrast is essential, using #223D4A for larger graphical elements or as an accent color rather than for extensive text blocks would be a more suitable approach. Furthermore, always test color combinations with real users, particularly those with visual impairments, to ensure optimal readability and user experience.

Shades

Digital Color Formats

RGB
34 61 74
RGB34 61 74
Red
Green
Blue
HSL
199.5deg 37.04% 21.18%
199.537.0421.18HSL
Hue
Saturation
Lightness
HWB
199.5deg 13.33% 70.98%
199.513.3370.98HWB
Hue
Whiteness
Blackness
hex#223D4A
rgb34 61 74
hsl199.5deg 37.04% 21.18%
cmyk54.05% 17.57% 0% 70.98%
hwb199.5deg 13.33% 70.98%
xyz-d650.04 0.04 0.07
oklch0.3443 0.0401 230.37
oklab0.3443 -0.03 -0.03
CMYK
54.05% 17.57% 0% 70.98%
54.0517.57070.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.07
0.040.040.07XYZ
X
Y
Z
OKLCH
0.3443 0.0401 230.37
0.34430.0401230.37LCH
Lightness
Chroma
Hue
OKLAB
0.3443 -0.03 -0.03
0.3443-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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