Blue
Pure Blue
Pure Blue
#0000FFClick to copy
Pure Blue Parameter Conversion Table
More converters →HEX#0000FFCopy
RGBrgb(0, 0, 255)Copy
HSLhsl(240, 100%, 50%)Copy
HSV/HSBhsv(240, 100%, 100%)Copy
CMYKcmyk(100%, 100%, 0%, 0%)Copy
Pure Blue Color Schemes
Complementary
#0000FF
Click to copy#FFFF00
Click to copyAnalogous
#0080FF
Click to copy#8000FF
Click to copySplit Complementary
#FF8000
Click to copy#80FF00
Click to copyMonochromatic
#0000FF
Click to copy#7171F4
Click to copy#D0D0FB
Click to copy#000099
Click to copy#000033
Click to copy#000000
Click to copyPure Blue WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Sample text Aa
White background #FFFFFF
8.59 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
2.44 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
7.88 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.47 : 1
AA NormalAA LargeAAA NormalAAA Large
Pure Blue Shade Variants
Gradient Generator →Lighten with White Mixed with white for a lighter, softer color
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Darken with Black Mixed with black for a deeper, heavier color
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Muted / Morandi Mixed with gray and desaturated for a sophisticated muted tone
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Pure Blue Color Introduction
Definition
Pure Blue (HEX #0000FF) has the RGB value rgb(0, 0, 255), the HSL value hsl(240°, 100%, 50%) and the CMYK print value cmyk(100%, 100%, 0%, 0%). In terms of color schemes, the complement of Pure Blue is #FFFF00, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #007FFF and #7F00FF that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#FF8000, #80FF00) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Pure Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Pure Blue has a contrast ratio of 8.59:1 against white and 2.44:1 against black; paired with a white background it reaches AAA, making body text highly readable.
Color Characteristics
Blue is the color of sky and ocean, evoking vastness, trust and reason. Steady and imposing, it is almost irreplaceable in technology, finance and corporate identity design. Specifically, Pure Blue has a lightness of 50% and a saturation of 100%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, its saturation is extremely high and its visual tension is strong, so it works best used sparingly as a focal accent. In a word: An RGB primary color, the standard blue.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Pure Blue tends to leave a first impression of being cool and reliable in the viewer’s mind, and this emotional tone also defines the role it plays in design.
Best Uses
Blue suits fintech, corporate websites, government systems and any scene that needs professional trust. In real projects, Pure Blue is also often used as a dark background or heading text color; in “Blue”-themed designs, the adjacent colors or lightness gradients built around it quickly establish a cohesive, clearly layered color scheme.
Pure Blue Featured In
This color is included in the following color cards and color families. Click a card to browse more colors in the corresponding collection.