Blue
Cobalt Blue (RAL 5013)
Cobalt Blue (RAL 5013)
#232C55Click to copy
Cobalt Blue (RAL 5013) Parameter Conversion Table
More converters →HEX#232C55Copy
RGBrgb(35, 44, 85)Copy
HSLhsl(229, 42%, 24%)Copy
HSV/HSBhsv(229, 59%, 33%)Copy
CMYKcmyk(59%, 48%, 0%, 67%)Copy
Cobalt Blue (RAL 5013) Color Schemes
Complementary
#232C55
Click to copy#554C23
Click to copyAnalogous
#234555
Click to copy#332355
Click to copySplit Complementary
#553323
Click to copy#455523
Click to copyMonochromatic
#232C55
Click to copy#515C8D
Click to copy#8992BB
Click to copy#05070D
Click to copy#000000
Click to copy#000000
Click to copyCobalt Blue (RAL 5013) 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
13.44 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.56 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
12.32 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.06 : 1
AA NormalAA LargeAAA NormalAAA Large
Cobalt Blue (RAL 5013) 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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Cobalt Blue (RAL 5013) Color Introduction
Definition
Cobalt Blue (RAL 5013) (HEX #232C55) has the RGB value rgb(35, 44, 85), the HSL value hsl(229°, 42%, 24%) and the CMYK print value cmyk(59%, 48%, 0%, 67%). In terms of color schemes, the complement of Cobalt Blue (RAL 5013) is #554C23, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #234555 and #332355 that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#553323, #455523) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Cobalt Blue (RAL 5013) uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Cobalt Blue (RAL 5013) has a contrast ratio of 13.44:1 against white and 1.56:1 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, Cobalt Blue (RAL 5013) has a lightness of 24% and a saturation of 42%, 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: A deep mineral 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 Cobalt Blue (RAL 5013) 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, Cobalt Blue (RAL 5013) 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.
Cobalt Blue (RAL 5013) 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.