Animation
Retro Deep Blue
Retro Deep Blue
#03045EClick to copy
Retro Deep Blue Parameter Conversion Table
More converters →HEX#03045ECopy
RGBrgb(3, 4, 94)Copy
HSLhsl(239, 94%, 19%)Copy
HSV/HSBhsv(239, 97%, 37%)Copy
CMYKcmyk(97%, 96%, 0%, 63%)Copy
Retro Deep Blue Color Schemes
Complementary
#03045E
Click to copy#5E5D03
Click to copyAnalogous
#03315E
Click to copy#30035E
Click to copySplit Complementary
#5E2F03
Click to copy#325E03
Click to copyMonochromatic
#03045E
Click to copy#1517B2
Click to copy#4446E9
Click to copy#000000
Click to copy#000000
Click to copy#000000
Click to copyRetro Deep 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
17.75 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.18 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
16.28 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.41 : 1
AA NormalAA LargeAAA NormalAAA Large
Retro Deep 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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Retro Deep Blue Color Introduction
Definition
Retro Deep Blue (HEX #03045E) has the RGB value rgb(3, 4, 94), the HSL value hsl(239°, 94%, 19%) and the CMYK print value cmyk(97%, 96%, 0%, 63%). In terms of color schemes, the complement of Retro Deep Blue is #5E5D03, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #03325E and #2F035E that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#5E2F03, #325E03) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Retro Deep Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Retro Deep Blue has a contrast ratio of 17.75:1 against white and 1.18:1 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, Retro Deep Blue has a lightness of 19% and a saturation of 94%, 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 color of the night sky in Porco Rosso — retro and profound, creating a serene atmosphere.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Retro 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, Retro 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.
Retro 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.
