Cerulean Blue

#315AB5

General Information

Cerulean Blue, represented by the hex code #315AB5, is a captivating shade of blue that evokes feelings of calmness and sophistication. It lies in the blue color spectrum, exhibiting a medium saturation and moderate brightness. This particular hue is often associated with the sea and sky, bringing a sense of tranquility and openness. In color psychology, blue is often linked to trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. It is a color that is widely used in corporate branding to project stability and reliability, making it a popular choice for businesses and organizations seeking to establish a trustworthy image.

The hex color #315AB5, a shade of Cerulean Blue, presents some accessibility considerations, particularly for text and interactive elements. Its relatively low luminance value of 0.16 means that it needs careful pairing with contrasting colors to ensure readability. When used as a background color, it requires light text (white or pale yellow) to meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. For small text (under 18pt) a contrast ratio of at least 4.5:1 is recommended, while for larger text (18pt and above) a ratio of 3:1 is sufficient. Avoid using #315AB5 for critical interactive elements like buttons or links without sufficient contrast, as this can pose issues for users with visual impairments. Tools like contrast checkers can help evaluate color combinations to make designs accessible.

Shades

Digital Color Formats

RGB
49 90 181
RGB49 90 181
Red
Green
Blue
HSL
221.36deg 57.39% 45.1%
221.3657.3945.1HSL
Hue
Saturation
Lightness
HWB
221.36deg 19.22% 29.02%
221.3619.2229.02HWB
Hue
Whiteness
Blackness
hex#315AB5
rgb49 90 181
hsl221.36deg 57.39% 45.1%
cmyk72.93% 50.28% 0% 29.02%
hwb221.36deg 19.22% 29.02%
xyz-d650.13 0.11 0.45
oklch0.4896 0.1519 263.56
oklab0.4896 -0.02 -0.15
CMYK
72.93% 50.28% 0% 29.02%
72.9350.28029.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.11 0.45
0.130.110.45XYZ
X
Y
Z
OKLCH
0.4896 0.1519 263.56
0.48960.1519263.56LCH
Lightness
Chroma
Hue
OKLAB
0.4896 -0.02 -0.15
0.4896-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons