Blue
Black Blue (RAL 5004)
Black Blue (RAL 5004)
#20212EClick to copy
Black Blue (RAL 5004) Parameter Conversion Table
More converters →HEX#20212ECopy
RGBrgb(32, 33, 46)Copy
HSLhsl(236, 18%, 15%)Copy
HSV/HSBhsv(236, 30%, 18%)Copy
CMYKcmyk(30%, 28%, 0%, 82%)Copy
Black Blue (RAL 5004) Color Schemes
Complementary
#20212E
Click to copy#2E2D20
Click to copyAnalogous
#20282E
Click to copy#26202E
Click to copySplit Complementary
#2E2620
Click to copy#282E20
Click to copyMonochromatic
#20212E
Click to copy#57585D
Click to copy#8A8A90
Click to copy#000000
Click to copy#000000
Click to copy#000000
Click to copyBlack Blue (RAL 5004) 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
15.93 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Black background #000000
1.32 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Light gray background #F5F5F5
14.61 : 1
AA NormalAA LargeAAA NormalAAA Large
Sample text Aa
Dark gray background #333333
1.26 : 1
AA NormalAA LargeAAA NormalAAA Large
Black Blue (RAL 5004) 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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Black Blue (RAL 5004) Color Introduction
Definition
Black Blue (RAL 5004) (HEX #20212E) has the RGB value rgb(32, 33, 46), the HSL value hsl(236°, 18%, 15%) and the CMYK print value cmyk(30%, 28%, 0%, 82%). In terms of color schemes, the complement of Black Blue (RAL 5004) is #2E2D20, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #20282E and #26202E that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#2E2620, #282E20) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Black Blue (RAL 5004) uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Black Blue (RAL 5004) has a contrast ratio of 15.93:1 against white and 1.32:1 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, Black Blue (RAL 5004) has a lightness of 15% and a saturation of 18%, 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 extreme deep blue close to black.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Black Blue (RAL 5004) 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, Black Blue (RAL 5004) 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.
Black Blue (RAL 5004) 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.