RAL and NCS values are nearest equivalents, not official designations.
In Western cultures, azure signifies peace and calmness, often linked to spirituality and the divine. Contrastingly, in some Middle Eastern traditions, azure represents protection and safety, symbolizing the heavens.
The term 'azure' derives from the Latin word 'caeruleus', meaning 'sky blue', and was used in English as early as the 14th century. The color gained prominence in medieval art, where it was often used in religious paintings to signify the divine.
Ranked by CIE76 ΔE — the perceptual distance from Azure. Lower ΔE means a closer match (below ~2 is barely distinguishable).
All 45 Blues →Nine steps of Azure by lightness — from #004285 (darkest) to #7ABCFF (lightest). Click any to copy.
Sitting opposite Azure at 30° on the color wheel, these give the highest-contrast pairings.
Curated 5-color combinations featuring Azure.
A 50–900 tonal scale with Azure anchored at 500 — ready to drop into a design system. Click any step to copy.
Works well as text on dark backgrounds; fails on light.
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: #007FFF; color-mix(in srgb, #007FFF 70%, white) 210°, 100%, 100% 100, 50, 0, 0 32767 #0066FF How Azure appears to viewers with the three main types of color blindness (~1 in 12 men, 1 in 200 women). Simulated approximations.