Cerulean Blue

#2C5BBA

General Information

Cerulean blue, represented by the hexadecimal color code #2C5BBA, is a vibrant and calming shade of blue that evokes feelings of serenity and openness. It is closely associated with the sky and the sea, making it a popular choice in various design applications. Cerulean blue sits between cyan and blue on the color wheel. It is often used to represent trust, stability, and intelligence. Its name is derived from the Latin word "caeruleus," meaning dark blue or sky-blue. In color psychology, blue is known for its calming and reassuring qualities, and cerulean blue amplifies these effects with its brightness and clarity. The hex code #2C5BBA indicates that the color is composed of 17.3% red, 35.7% green, and 72.9% blue.

The color #2C5BBA, a shade of cerulean blue, presents some accessibility considerations, particularly concerning color contrast. When using this color for text or interactive elements, it is crucial to ensure sufficient contrast against the background. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Pairing #2C5BBA with lighter shades of yellow, white, or even a very light gray can help achieve adequate contrast. Tools like webaim.org can assist in evaluating color contrast ratios. When used for interactive elements, consider adding additional visual cues besides color to ensure usability for users with visual impairments. It is not advisable to use #2C5BBA for informational text on dark backgrounds, as this would not meet accessibility standards. Proper implementation and testing are crucial for an inclusive user experience.

Shades

Digital Color Formats

RGB
44 91 186
RGB44 91 186
Red
Green
Blue
HSL
220.14deg 61.74% 45.1%
220.1461.7445.1HSL
Hue
Saturation
Lightness
HWB
220.14deg 17.25% 27.06%
220.1417.2527.06HWB
Hue
Whiteness
Blackness
hex#2C5BBA
rgb44 91 186
hsl220.14deg 61.74% 45.1%
cmyk76.34% 51.08% 0% 27.06%
hwb220.14deg 17.25% 27.06%
xyz-d650.14 0.12 0.48
oklch0.4934 0.159 262.4
oklab0.4934 -0.02 -0.16
CMYK
76.34% 51.08% 0% 27.06%
76.3451.08027.06CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.12 0.48
0.140.120.48XYZ
X
Y
Z
OKLCH
0.4934 0.159 262.4
0.49340.159262.4LCH
Lightness
Chroma
Hue
OKLAB
0.4934 -0.02 -0.16
0.4934-0.02-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons