Dark Slate Blue
Dark Slate Blue Parameter Conversion Table
More converters →Dark Slate Blue Color Schemes
Dark Slate Blue WCAG Accessibility Contrast
WCAG Calculator →The contrast ratio of this color against common foreground/background colors (based on the WCAG 2.1 standard)
Dark Slate Blue Shade Variants
Gradient Generator →Dark Slate Blue Color Introduction
Definition
Dark Slate Blue (HEX #483D8B) has the RGB value rgb(72, 61, 139), the HSL value hsl(248°, 39%, 39%) and the CMYK print value cmyk(48%, 56%, 0%, 45%). In terms of color schemes, the complement of Dark Slate Blue is #808B3D, and placing the two side by side produces a striking, eye-catching contrast; paired with the analogous colors #3D598B and #6F3D8B that sit next to it on the color wheel, it transitions naturally and harmoniously; in a split-complementary scheme (#8B6F3D, #598B3D) it keeps its contrast tension without losing layering; and a monochromatic scheme built on Dark Slate Blue uses gradients of lightness and saturation to create a unified design with a strong sense of depth. Under the WCAG accessibility standard, Dark Slate Blue has a contrast ratio of 9.07:1 against white and 2.32:1 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, Dark Slate Blue has a lightness of 39% and a saturation of 39%, striking and generous as a background or primary color, offering good readability with either light or dark text; moreover, its saturation is fairly low and its gray tone is soft, carrying a quiet, Morandi-like character. In a word: A deep blue-violet.
Color Psychology
Blue can evoke calm, focus and trust, with a marked stabilizing effect; psychologically it symbolizes reason, loyalty and depth. For this reason Dark Slate 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, Dark Slate 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.
Dark Slate 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.

