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Classic Blue
Classic Blue
#0F4C81Click to copy
Classic Blue Parameter Conversion Table
More converters →HEX#0F4C81Copy
RGBrgb(15, 76, 129)Copy
HSLhsl(208, 79%, 28%)Copy
HSV/HSBhsv(208, 88%, 51%)Copy
CMYKcmyk(88%, 41%, 0%, 49%)Copy
Classic Blue Color Schemes
Complementary
#0F4C81
Click to copy#81440F
Click to copyAnalogous
#0F817D
Click to copy#0F1381
Click to copySplit Complementary
#810F13
Click to copy#817D0F
Click to copyMonochromatic
#0F4C81
Click to copy#2C81CA
Click to copy#7AB2E2
Click to copy#041626
Click to copy#000000
Click to copy#000000
Click to copyClassic 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
8.86 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
2.37 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
8.12 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.43 : 1
AA NormalAA LargeAAA NormalAAA Large
Classic 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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Classic Blue Color Introduction
Definition
Classic Blue (HEX #0F4C81) has the RGB value rgb(15, 76, 129), the HSL value hsl(208°, 79%, 28%) and the CMYK print value cmyk(88%, 41%, 0%, 49%). In terms of color schemes, the complement of Classic Blue is #81440F, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #0F817D and #0F1381 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#810F13, #817D0F) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Classic Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Classic Blue has a contrast ratio of 8.86:1 against white and 2.37:1 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, Classic Blue has a lightness of 28% and a saturation of 79%, steady and powerful as a background or primary color, pairing well with light text for good readability; moreover, its saturation is moderate, keeping the color’s emotional expression without becoming overly assertive. In a word: A timeless cornerstone.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Classic 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, Classic 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.
Classic 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.