Blue
Sapphire Blue (RAL 5003)
Sapphire Blue (RAL 5003)
#2A3756Click to copy
Sapphire Blue (RAL 5003) Parameter Conversion Table
More converters →HEX#2A3756Copy
RGBrgb(42, 55, 86)Copy
HSLhsl(222, 34%, 25%)Copy
HSV/HSBhsv(222, 51%, 34%)Copy
CMYKcmyk(51%, 36%, 0%, 66%)Copy
Sapphire Blue (RAL 5003) Color Schemes
Complementary
#2A3756
Click to copy#56492A
Click to copyAnalogous
#2A4D56
Click to copy#332A56
Click to copySplit Complementary
#56332A
Click to copy#4D562A
Click to copyMonochromatic
#2A3756
Click to copy#5D6A89
Click to copy#959FB7
Click to copy#090B11
Click to copy#000000
Click to copy#000000
Click to copySapphire Blue (RAL 5003) 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
11.80 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.78 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
10.83 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.07 : 1
AA NormalAA LargeAAA NormalAAA Large
Sapphire Blue (RAL 5003) 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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Sapphire Blue (RAL 5003) Color Introduction
Definition
Sapphire Blue (RAL 5003) (HEX #2A3756) has the RGB value rgb(42, 55, 86), the HSL value hsl(222°, 34%, 25%) and the CMYK print value cmyk(51%, 36%, 0%, 66%). In terms of color schemes, the complement of Sapphire Blue (RAL 5003) is #56492A, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #2A4D56 and #332A56 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#56332A, #4D562A) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Sapphire Blue (RAL 5003) uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Sapphire Blue (RAL 5003) has a contrast ratio of 11.80:1 against white and 1.78:1 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, Sapphire Blue (RAL 5003) has a lightness of 25% and a saturation of 34%, steady and powerful as a background or primary color, pairing well with light text for good readability; moreover, its saturation is fairly low and its gray tone is soft, carrying a quiet, Morandi-like character. In a word: An extremely deep sapphire 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 Sapphire Blue (RAL 5003) 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, Sapphire Blue (RAL 5003) 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.
Sapphire Blue (RAL 5003) 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.