Blue
Sky Blue (RAL 5015)
Sky Blue (RAL 5015)
#2874B2Click to copy
Sky Blue (RAL 5015) Parameter Conversion Table
More converters →HEX#2874B2Copy
RGBrgb(40, 116, 178)Copy
HSLhsl(207, 63%, 43%)Copy
HSV/HSBhsv(207, 78%, 70%)Copy
CMYKcmyk(78%, 35%, 0%, 30%)Copy
Sky Blue (RAL 5015) Color Schemes
Complementary
#2874B2
Click to copy#B26628
Click to copyAnalogous
#28B2AB
Click to copy#282FB2
Click to copySplit Complementary
#B2282F
Click to copy#B2AB28
Click to copyMonochromatic
#2874B2
Click to copy#72A5CE
Click to copy#BED5E8
Click to copy#153E5F
Click to copy#03070B
Click to copy#000000
Click to copySky Blue (RAL 5015) 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
4.96 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
4.23 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
4.55 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
2.55 : 1
AA NormalAA LargeAAA NormalAAA Large
Sky Blue (RAL 5015) 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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Sky Blue (RAL 5015) Color Introduction
Definition
Sky Blue (RAL 5015) (HEX #2874B2) has the RGB value rgb(40, 116, 178), the HSL value hsl(207°, 63%, 43%) and the CMYK print value cmyk(78%, 35%, 0%, 30%). In terms of color schemes, the complement of Sky Blue (RAL 5015) is #B26628, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #28B2AB and #282FB2 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#B2282F, #B2AB28) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Sky Blue (RAL 5015) uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Sky Blue (RAL 5015) has a contrast ratio of 4.96:1 against white and 4.23:1 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, Sky Blue (RAL 5015) has a lightness of 43% and a saturation of 63%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, its saturation is moderate, keeping the color’s emotional expression without becoming overly assertive. In a word: A vivid industrial sky blue.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Sky Blue (RAL 5015) 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, Sky Blue (RAL 5015) 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.
Sky Blue (RAL 5015) 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.