Blue vs Royal Blue

Blue #0000FF View details →

Royal Blue #4169E1 View details →

What is the difference between Blue and Royal Blue?

Comparing Blue (#0000FF) and Royal Blue (#4169E1) reveals interesting optical contrasts. In terms of color intensity, Blue is visibly more vibrant and saturated. Under screen illumination, Royal Blue is significantly brighter and reflects more light. They have a close hue coordinate distance of 15°, representing a harmonized adjacent relationship.

Design recommendations for Blue vs Royal Blue

When choosing between Blue and Royal Blue for interface designs, consider their visual weight. Since Blue is darker, it serves as a solid base for structural layouts or heavy typography, while the lighter Royal Blue is ideal for backgrounds or high-visibility accents. Testing their contrast ratio is essential to meet WCAG accessibility guidelines.

✦ Readability & Contrast Testing

Visual test showing black and white text overlay readability on both colors.

Blue Typography

Preview of dark and light text elements rendered over a solid Blue background canvas.

White Text: 8.59:1 Black Text: 2.44:1

Royal Blue Typography

Preview of dark and light text elements rendered over a solid Royal Blue background canvas.

White Text: 4.85:1 Black Text: 4.33:1

⚙ Technical Specifications Comparison

Format / Value	Blue	Royal Blue	Delta / Difference
HEX Code	`#0000FF`	`#4169E1`	-
RGB Channels	`rgb(0, 0, 255)`	`rgb(65, 105, 225)`	`R:+65 \| G:+105 \| B:-30`
HSL Values	`hsl(240°, 100%, 50%)`	`hsl(225°, 73%, 57%)`	`H:-15° \| S:-27% \| L:+7%`
CMYK (Print)	`cmyk(100%, 100%, 0%, 0%)`	`cmyk(71%, 53%, 0%, 12%)`	-

◉ Individual Color References

Blue Reference Sheet HEX, RGB, HSL and print codes

Royal Blue Reference Sheet HEX, RGB, HSL and print codes