Cerulean Blue

#3050B0

General Information about Cerulean Blue

The hexadecimal color #3050B0, also known as Cerulean Blue, is a vibrant and captivating shade of blue. It's composed of 18.82% red, 31.37% green, and 69.02% blue. In the RGB color space, it is defined as (48, 80, 176). Cerulean blue is often associated with tranquility, stability, and depth. This color is a popular choice in various design fields due to its versatility and aesthetic appeal. The hex code #3050B0 is widely used in digital applications because of its precise color definition across different platforms. Cerulean blue has a rich history, originating from the pigment created using tin(II) stannate and cobalt(II) oxide.

The hex color #3050B0, a shade of Cerulean Blue, presents moderate accessibility challenges. Its contrast ratio against white text is approximately 3.9:1, which meets the WCAG AA standard for normal text but falls short of the AAA standard. For larger text (14pt bold or 18pt regular), it achieves AA compliance. When used with black text, the contrast ratio is lower, requiring careful consideration. To enhance accessibility, consider pairing it with lighter shades of yellow, white, or very light grays. Avoid using it for critical interactive elements without sufficient contrast. Providing visual cues alongside color, such as underlines or icons, can further aid users with color vision deficiencies. Thorough testing with accessibility tools is recommended to ensure compliance with accessibility guidelines.

Shades

Digital Color Formats

RGB
48 80 176
RGB48 80 176
Red
Green
Blue
HSL
225deg 57.14% 43.92%
22557.1443.92HSL
Hue
Saturation
Lightness
HWB
225deg 18.82% 30.98%
22518.8230.98HWB
Hue
Whiteness
Blackness
hex#3050B0
rgb48 80 176
hsl225deg 57.14% 43.92%
cmyk72.73% 54.55% 0% 30.98%
hwb225deg 18.82% 30.98%
xyz-d650.12 0.1 0.42
oklch0.4644 0.1577 266.36
oklab0.4644 -0.01 -0.16
CMYK
72.73% 54.55% 0% 30.98%
72.7354.55030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.1 0.42
0.120.10.42XYZ
X
Y
Z
OKLCH
0.4644 0.1577 266.36
0.46440.1577266.36LCH
Lightness
Chroma
Hue
OKLAB
0.4644 -0.01 -0.16
0.4644-0.01-0.16LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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