Blue

Gan Qing

Gan Qing
#003366Click to copy

Gan Qing Parameter Conversion Table

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HEX#003366Copy
RGBrgb(0, 51, 102)Copy
HSLhsl(210, 100%, 20%)Copy
HSV/HSBhsv(210, 100%, 40%)Copy
CMYKcmyk(100%, 50%, 0%, 60%)Copy
Complementary
#003366
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#663300
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Analogous
#006666
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#000066
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Split Complementary
#660000
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#666600
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Monochromatic
#003366
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#0F66BD
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#4299F0
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#000000
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#000000
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#000000
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Gan Qing WCAG Accessibility Contrast

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The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)

Sample text Aa
White background #FFFFFF
12.61 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.67 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
11.57 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.00 : 1
AA NormalAA LargeAAA NormalAAA Large

Gan Qing Shade Variants

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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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Gan Qing Color Introduction

Definition

Gan Qing (HEX #003366) has the RGB value rgb(0, 51, 102), the HSL value hsl(210°, 100%, 20%) and the CMYK print value cmyk(100%, 50%, 0%, 60%). In terms of color schemes, the complement of Gan Qing is #663300, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #006666 and #000066 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#660000, #666600) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Gan Qing uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Gan Qing has a contrast ratio of 12.61:1 against white and 1.67:1 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, Gan Qing has a lightness of 20% and a saturation of 100%, steady and powerful as a background or primary color, pairing well with light text for good readability; 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: The blue of the deep sea.

Color Psychology

Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Gan Qing 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, Gan Qing 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.

Gan Qing 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.