Blue

Bright Blue

Bright Blue
#0066FFClick to copy

Bright Blue Parameter Conversion Table

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HEX#0066FFCopy
RGBrgb(0, 102, 255)Copy
HSLhsl(216, 100%, 50%)Copy
HSV/HSBhsv(216, 100%, 100%)Copy
CMYKcmyk(100%, 60%, 0%, 0%)Copy
Complementary
#0066FF
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#FF9900
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Analogous
#00E5FF
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#1900FF
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Split Complementary
#FF1900
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#E5FF00
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Monochromatic
#0066FF
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#71A5F4
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#D0E1FB
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#003D99
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#001433
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#000000
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Bright Blue 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
4.83 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
4.34 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
4.43 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
2.61 : 1
AA NormalAA LargeAAA NormalAAA Large

Bright Blue 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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Bright Blue Color Introduction

Definition

Bright Blue (HEX #0066FF) has the RGB value rgb(0, 102, 255), the HSL value hsl(216°, 100%, 50%) and the CMYK print value cmyk(100%, 60%, 0%, 0%). In terms of color schemes, the complement of Bright Blue is #FF9900, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #00E5FF and #1900FF that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#FF1A00, #E6FF00) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Bright Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Bright Blue has a contrast ratio of 4.83:1 against white and 4.34:1 against black; paired with a white background it reaches AA, giving body text good readability.

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, Bright 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: Pure energy.

Color Psychology

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

Bright 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.