Cerulean Blue

#2859C7

About Cerulean Blue

Cerulean blue, represented by the hexadecimal color code #2859C7, is a captivating shade situated in the blue color spectrum. It derives its name from the Latin word 'caeruleus,' meaning 'dark blue' or 'sky blue.' This color is frequently associated with the serene expanses of the sky and the calming depths of the ocean, evoking feelings of tranquility and peace. In color psychology, cerulean blue is often linked to stability, trust, and confidence, making it a popular choice for branding and visual communications that aim to project these qualities. Cerulean blue is composed of specific proportions of red, green, and blue light, giving it its unique appearance.

The color #2859C7, a shade of cerulean blue, presents moderate accessibility challenges. Its contrast ratio against pure white (#FFFFFF) is approximately 4.5:1, which meets the minimum AA compliance for WCAG standards for normal text but falls short for AAA compliance or for larger text elements. When used as text, consider employing a lighter background to enhance readability for users with visual impairments. Also, avoid relying solely on color to convey important information; supplement with text or icons. For backgrounds, pairing it with lighter accent colors can create a balanced visual hierarchy without sacrificing accessibility. Ensure sufficient contrast between interactive elements using this color and their surrounding areas to aid users with low vision in easily identifying interactive components.

Shades

Digital Color Formats

RGB
40 89 199
RGB40 89 199
Red
Green
Blue
HSL
221.51deg 66.53% 46.86%
221.5166.5346.86HSL
Hue
Saturation
Lightness
HWB
221.51deg 15.69% 21.96%
221.5115.6921.96HWB
Hue
Whiteness
Blackness
hex#2859C7
rgb40 89 199
hsl221.51deg 66.53% 46.86%
cmyk79.9% 55.28% 0% 21.96%
hwb221.51deg 15.69% 21.96%
xyz-d650.15 0.12 0.56
oklch0.4979 0.18 263.28
oklab0.4979 -0.02 -0.18
CMYK
79.9% 55.28% 0% 21.96%
79.955.28021.96CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.15 0.12 0.56
0.150.120.56XYZ
X
Y
Z
OKLCH
0.4979 0.18 263.28
0.49790.18263.28LCH
Lightness
Chroma
Hue
OKLAB
0.4979 -0.02 -0.18
0.4979-0.02-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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