Fun Blue

#1B5599

General Information about #1B5599

The hex color #1B5599, often referred to as "Fun Blue", is a dark shade of blue with a hex code of #1B5599. It is composed of 10.6% red, 33.33% green, and 60% blue. In the RGB color space, it is represented as rgb(27, 85, 153). In the CMYK color space, it is composed of 82.35% cyan, 44.44% magenta, 0% yellow and 40% black. Its hue angle is 213.4 degrees, its saturation is 70.37%, and its lightness is 35.5%. The color is often associated with trust, security, and stability. This color has a calming effect and is often used to convey professionalism. It is frequently used in corporate branding and website design.

The hex color #1b5599, a shade of dark blue, presents specific accessibility considerations for web development. Its relatively low luminance value of 0.066 means it needs careful pairing with text and background colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text against its background. When using #1b5599 for text, it's imperative to choose a light background color to meet these contrast requirements and ensure readability for users with visual impairments. Conversely, using it as a background color necessitates the use of light-colored text. Tools like contrast checkers can be invaluable in verifying compliance with accessibility standards. Also, avoid using this color as the sole indicator of interactive elements.

Shades

Digital Color Formats

RGB
27 85 153
RGB27 85 153
Red
Green
Blue
HSL
212.38deg 70% 35.29%
212.387035.29HSL
Hue
Saturation
Lightness
HWB
212.38deg 10.59% 40%
212.3810.5940HWB
Hue
Whiteness
Blackness
hex#1B5599
rgb27 85 153
hsl212.38deg 70% 35.29%
cmyk82.35% 44.44% 0% 40%
hwb212.38deg 10.59% 40%
xyz-d650.09 0.09 0.31
oklch0.4505 0.1258 255.09
oklab0.4505 -0.03 -0.12
CMYK
82.35% 44.44% 0% 40%
82.3544.44040CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.09 0.31
0.090.090.31XYZ
X
Y
Z
OKLCH
0.4505 0.1258 255.09
0.45050.1258255.09LCH
Lightness
Chroma
Hue
OKLAB
0.4505 -0.03 -0.12
0.4505-0.03-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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