Astronomy

Rainbow Deep Blue

Rainbow Deep Blue
#2288FFClick to copy

Rainbow Deep Blue Parameter Conversion Table

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HEX#2288FFCopy
RGBrgb(34, 136, 255)Copy
HSLhsl(212, 100%, 57%)Copy
HSV/HSBhsv(212, 87%, 100%)Copy
CMYKcmyk(87%, 47%, 0%, 0%)Copy
Complementary
#2288FF
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#FF9922
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Analogous
#22F7FF
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#2A22FF
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Split Complementary
#FF2A22
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#F7FF22
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Monochromatic
#2288FF
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#91C0F6
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#EFF6FE
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#0056BB
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#002755
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#000000
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Rainbow Deep 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
3.48 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
6.03 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
3.19 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
3.63 : 1
AA NormalAA LargeAAA NormalAAA Large

Rainbow Deep 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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Rainbow Deep Blue Color Introduction

Definition

Rainbow Deep Blue (HEX #2288FF) has the RGB value rgb(34, 136, 255), the HSL value hsl(212°, 100%, 57%) and the CMYK print value cmyk(87%, 47%, 0%, 0%). In terms of color schemes, the complement of Rainbow Deep Blue is #FF9922, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #22F6FF and #2A22FF that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#FF2B22, #F6FF22) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Rainbow Deep Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Rainbow Deep Blue has a contrast ratio of 3.48:1 against white and 6.03:1 against black; paired with a black background it reaches AA, making it suitable for text in dark mode.

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, Rainbow Deep Blue has a lightness of 57% 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: The deeper blue of a rainbow, profound and clear.

Color Psychology

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

Rainbow Deep 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.