Royal Blue Color Wheel & UI Harmonies
Drag the handle around the wheel or use sliders below
Generated Harmonies (3 Colors)
Primary Base
#2463EBoklch(0.546 0.215 262.7)
Secondary
#EB2463oklch(0.613 0.228 10.4)
Accent
#63EB24oklch(0.831 0.250 138.7)
Live UI Component Preview
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Interactive Button & State Styles
Verify clickability, state contrasts, and visual weight across primary and secondary controls.
WCAG 2.1 Contrast Matrix
Evaluates minimum contrast ratios for regular body text (4.5:1 AA, 7:1 AAA) and large text (3:1).
| Color Role | Hex | On Pure White (#FFF) | On Dark Obsidian (#0B0F19) | Recommended Usage |
|---|---|---|---|---|
Primary Base | #2463EB | 5.17:1(AA) | 3.70:1(AA (large text)) | Best on Light UI / Backgrounds |
Secondary | #EB2463 | 4.23:1(AA (large text)) | 4.53:1(AA) | Best on Dark UI / Buttons |
Accent | #63EB24 | 1.56:1(Fail) | 12.26:1(AAA) | Best on Dark UI / Buttons |
50–950 Tailwind Shade Ramp
Click any swatch to copy its HEX value. Formatted for Tailwind CSS v4 / v3 color configurations.
Ready-to-Use Code Snippets
// tailwind.config.js / CSS @theme
module.exports = {
theme: {
extend: {
colors: {
primary: {
50: '#F5F6FA',
100: '#E7EBF3',
200: '#B4CAF8',
300: '#86A9F4',
400: '#4E81EF',
500: '#2463EB',
600: '#124BC4',
700: '#0F3C9F',
800: '#0B2C75',
900: '#021C55',
950: '#011132',
},
secondary: '#EB2463',
accent: '#63EB24',
}
}
}
};How to Use Royal Blue in Digital Product Design
Royal Blue (221° hue) powers the world's most influential software interfaces, from Stripe and Twitter to modern developer portals. Striking the balance between electric energy and corporate legitimacy, royal blue guides user actions with unmatched clarity.
✓Recommended UI Applications
Primary CTA buttons, focus outlines, selected navigation states, and interactive link elements. It anchors user attention without fatiguing the eye over long sessions.
⚠Accessibility & Contrast Guidelines
Royal Blue (#2563EB) against white text achieves 4.6:1 contrast, passing WCAG AA for normal text. For AAA standards (7:1+), darken to Blue 700 (#1D4ED8).
Curated UI Pairings for Royal Blue
Expertly tested color coordinates that harmonize with Royal Blue without visual clashes.
Tangerine Accent
#F97316Triadic complementary spark for urgency and conversion tags.
Emerald Success
#10B981Harmonious status indicator for positive data metrics.
Slate Canvas
#0F172AModern dark-mode shell where royal blue elements glow with precision.
Royal Blue Design System Token Specifications
Exact mathematical coordinates for design tokens, CSS variables, and modern style declarations.
#2563EB
rgb(37, 99, 235)
hsl(221°, 83%, 53%)
oklch(0.546 0.215 262.9)
Frequently Asked Questions About Royal Blue
What primary role should Royal Blue take in a digital interface?
Royal Blue (221° hue) powers the world's most influential software interfaces, from Stripe and Twitter to modern developer portals. Striking the balance between electric energy and corporate legitimacy, royal blue guides user actions with unmatched clarity. In software applications, it functions best as an intentional accent, call-to-action anchor, or branded container highlight rather than an overwhelming full-bleed background.
How do I maintain WCAG AA accessibility when using Royal Blue?
Royal Blue (#2563EB) against white text achieves 4.6:1 contrast, passing WCAG AA for normal text. For AAA standards (7:1+), darken to Blue 700 (#1D4ED8). Always verify text and background luminance ratios using our real-time WCAG matrix table above before shipping to production.
How can I import Royal Blue into Tailwind CSS?
Use our Code Export Center above to copy the ready-made 11-step shade scale (50 to 950) directly into your Tailwind v4 @theme or v3 tailwind.config.js file.
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