Cerulean Blue

#1A4CD1

General Information about #1A4CD1

The hexadecimal color code #1A4CD1 represents a shade of blue known as Cerulean Blue. It's composed of 10.2% red, 28.2% green, and 82% blue. In the RGB color model, this corresponds to R:26, G:76, B:209. In the CMYK color model, it is composed of 87.6% cyan, 63.9% magenta, 0% yellow and 18% black. Cerulean Blue is often associated with feelings of calmness, serenity, and trust. It's a popular color choice in various design applications, ranging from web interfaces to branding materials. Its relatively high blue component contributes to its cool and refreshing aesthetic. The name Cerulean originates from the Latin word "caeruleus", meaning "dark blue", "sea-blue" or "sky-blue".

The color #1A4CD1, a shade of Cerulean Blue, presents some accessibility challenges, especially when used as a foreground color against a white or light background. Its luminance value is relatively low, which can result in insufficient contrast for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #1A4CD1, careful consideration should be given to the background color choice to ensure readability for all users. Using online contrast checkers can help determine if the color combination meets accessibility standards. It's generally advisable to pair this color with lighter shades or white to maximize contrast and improve the user experience. Darker backgrounds are also possible, but the text would need to be quite light to allow readability.

Shades

Digital Color Formats

RGB
26 76 209
RGB26 76 209
Red
Green
Blue
HSL
223.61deg 77.87% 46.08%
223.6177.8746.08HSL
Hue
Saturation
Lightness
HWB
223.61deg 10.2% 18.04%
223.6110.218.04HWB
Hue
Whiteness
Blackness
hex#1A4CD1
rgb26 76 209
hsl223.61deg 77.87% 46.08%
cmyk87.56% 63.64% 0% 18.04%
hwb223.61deg 10.2% 18.04%
xyz-d650.15 0.1 0.61
oklch0.4773 0.2113 264.04
oklab0.4773 -0.02 -0.21
CMYK
87.56% 63.64% 0% 18.04%
87.5663.64018.04CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.15 0.1 0.61
0.150.10.61XYZ
X
Y
Z
OKLCH
0.4773 0.2113 264.04
0.47730.2113264.04LCH
Lightness
Chroma
Hue
OKLAB
0.4773 -0.02 -0.21
0.4773-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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