Color Directory/Dark Slate Blue

Dark Slate Blue (#483D8B)

Luminance: 7% · Nearest standard name: Dark Slate Blue

DARK SLATE BLUE
#483D8B
rgb(72, 61, 139) · hsl(248°, 39%, 39%)
HEX#483D8B
RGB72, 61, 139
HSL248°, 39%, 39%
HSV / HSB248°, 56%, 55%
CMYK (Print)48%, 56%, 0%, 45%

Color Harmonies

Complementary

#483D8B#808A3D

Analogous

#3D598A#483D8B#6E3D8A

Triadic

#483D8B#8A473D#3D8A47

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)9.07:1

Sample text rendered with #483D8B on white

AA Normal: PASSAA Large: PASS
Against Dark (#0F172A)1.97:1

Sample text rendered with #483D8B on dark

AA Normal: FAILAA Large: FAIL
Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Dark Slate Blue (#483D8B)

Dark Slate Blue (#483D8B) is a distinct shade within the Blue chromatic spectrum. Characterized by an optical luminance of 7% and a cool color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#483D8B
RGB Space72, 61, 139
HSL Values248°, 39%, 39%
HSV / HSB248°, 56%, 55%
CMYK Ink48%, 56%, 0%, 45%
TemperatureCool

Optical Color Harmony Formulas for Dark Slate Blue

Geometric intervals calculated from #483D8B on the 360-degree color wheel.

Direct Polar (180°)#808A3D

Complementary Harmony

Pairs Dark Slate Blue with its polar opposite (#808A3D) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#3D598A · #6E3D8A

Analogous Harmony

Positions adjacent neighboring hues on either side of Dark Slate Blue for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#8A6E3D · #598A3D

Split-Complementary

Uses the two colors flanking the direct complement of Dark Slate Blue, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#8A473D · #3D8A47

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#8A3D59 · #808A3D · #3D8A6E

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Dark Slate Blue

Lock #483D8B inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Dark Slate Blue

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 39% and lightness of 39%, Dark Slate Blue (#483D8B) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.

Light Mode SurfaceIdeal for buttons and badges
Dark Mode AdaptationDesaturate slightly for ambient glow

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

This color projects authority, intelligence, and calm dependability. Universally trusted across enterprise software and fintech products.

Optimal Industry Verticals

Fintech, Enterprise SaaS, Healthcare, Cloud Infrastructure. Combining Dark Slate Blue with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Dark Slate Blue

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-483d8b: #483D8B;
  --color-483d8b-rgb: 72, 61, 139;
  --color-483d8b-hsl: 248deg 39% 39%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '483d8b': '#483D8B',
      }
    }
  }
};

Frequently Asked Questions About Dark Slate Blue (#483D8B)

Authoritative answers covering Dark Slate Blue color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Dark Slate Blue (#483D8B)?
Dark Slate Blue is defined by the HEX code #483D8B. Its digital screen RGB coordinates are R:72, G:61, B:139. Its cylindrical HSL values are Hue:248°, Saturation:39%, Lightness:39%. In HSV/HSB format, it is 248°, 56%, 55%. For four-color CMYK process printing, its ink percentages are C:48%, M:56%, Y:0%, K:45%.
Does Dark Slate Blue (#483D8B) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Dark Slate Blue achieves a contrast ratio of 9.07:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 1.97:1 (Failing WCAG AA).
What is the direct complementary color for Dark Slate Blue (#483D8B)?
The exact 180-degree optical complementary color for #483D8B is #808A3D. When placed side-by-side, #483D8B and #808A3D create maximum visual tension and high click-through conversion rates.
What is the recommended role for Dark Slate Blue in the 60-30-10 UI design rule?
With a saturation of 39% and lightness of 39%, Dark Slate Blue (#483D8B) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.
How can I copy and export Dark Slate Blue into Tailwind CSS and CSS variables?
You can define Dark Slate Blue in CSS custom properties as ':root { --color-custom: #483D8B; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Dark Slate Blue using our interactive Color Palette Generator.
Which color family does Dark Slate Blue (#483D8B) belong to?
Dark Slate Blue belongs to the Blue family (Cool spectrum). You can explore full tonal ramps and curated palettes in our Blue Color Guide.