Cerulean Blue

#2751BF

General Information about Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #2751BF, is a vibrant and captivating shade of blue. It belongs to the blue color family, evoking feelings of tranquility, stability, and confidence. This color derives its name from 'cerulean,' referring to the deep blue of the sky or the sea on a clear day. In the RGB color model, #2751BF is composed of 15.3% red, 31.8% green, and 74.9% blue. Cerulean blue is frequently employed in design, art, and fashion to convey a sense of serenity, trustworthiness, and sophistication. Its unique blend of green and blue gives it a refreshing and calming quality, making it suitable for a wide range of applications.

The hex color #2751bf, a shade of cerulean blue, presents moderate accessibility challenges. Its contrast ratio against white is approximately 4.6:1, which meets WCAG AA standards for normal text but falls short for larger text and graphical elements. When used as a background, pairing it with white or very light text is advisable to ensure readability. For enhanced accessibility, consider using a lighter tint of cerulean blue or a darker shade of the text color to achieve a contrast ratio of at least 7:1, satisfying WCAG AAA standards. Remember to evaluate color combinations using accessibility tools to verify compliance with accessibility guidelines, ensuring the content is usable for individuals with visual impairments, including those with low vision or color blindness.

Shades

Digital Color Formats

RGB
39 81 191
RGB39 81 191
Red
Green
Blue
HSL
223.42deg 66.09% 45.1%
223.4266.0945.1HSL
Hue
Saturation
Lightness
HWB
223.42deg 15.29% 25.1%
223.4215.2925.1HWB
Hue
Whiteness
Blackness
hex#2751BF
rgb39 81 191
hsl223.42deg 66.09% 45.1%
cmyk79.58% 57.59% 0% 25.1%
hwb223.42deg 15.29% 25.1%
xyz-d650.13 0.1 0.51
oklch0.4749 0.1793 264.57
oklab0.4749 -0.02 -0.18
CMYK
79.58% 57.59% 0% 25.1%
79.5857.59025.1CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.1 0.51
0.130.10.51XYZ
X
Y
Z
OKLCH
0.4749 0.1793 264.57
0.47490.1793264.57LCH
Lightness
Chroma
Hue
OKLAB
0.4749 -0.02 -0.18
0.4749-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons