In Western cultures, Royal Blue symbolizes authority and confidence, frequently used in uniforms and corporate branding to project professionalism. However, in some Eastern cultures, blue can represent immortality and healing, adding layers to its significance across different contexts.
The term 'Royal Blue' gained popularity in the 19th century, particularly after a famous dye was created in 1840 by English chemist Sir John Frederick William Herschel. The color was used in the ceremonial robes of British royalty, solidifying its association with nobility and prestige.
Ranked by CIE76 ΔE — the perceptual distance from Royal Blue. Lower ΔE means a closer match (below ~2 is barely distinguishable).
All 45 Blues →Nine steps of Royal Blue by lightness — from #223775 (darkest) to #9CB1EF (lightest). Click any to copy.
Sitting opposite Royal Blue at 45° on the color wheel, these give the highest-contrast pairings.
Curated 5-color combinations featuring Royal Blue.
Brands and institutions known for using Royal Blue.
A 50–900 tonal scale with Royal Blue anchored at 500 — ready to drop into a design system. Click any step to copy.
Works well as text on light backgrounds; fails on dark.
Thresholds: AA needs 4.5:1 (normal text) / 3:1 (large); AAA needs 7:1 / 4.5:1. Large = 18pt+ or 14pt+ bold.
Copy-ready values for CSS, screen and print, plus the extra conversions designers reach for.
color: royalblue; color-mix(in srgb, royalblue 70%, white) 225°, 71%, 88% 71, 53, 0, 12 4286945 #3366CC How Royal Blue appears to viewers with the three main types of color blindness (~1 in 12 men, 1 in 200 women). Simulated approximations.