#40DDE5 Hex Color
Sparkling electric cyan with youthful energy
#40dde5 is a high-saturation, light cyan with an undeniable pop. This sparkling, electric tone sits between sky blue and green, offering a youthful energy that works best as a 10 percent accent color. It creates strong, readable contrast against black text, though it can overwhelm large surfaces. Pair this hex code with dark charcoal or deep navy for a balanced, modern UI aesthetic.
Questions about #40dde5
What is #40dde5 in RGB, HSL and CMYK?
In RGB, #40dde5 is rgb(64, 221, 229), in HSL hsl(183, 76%, 57%) and in CMYK 72%, 3%, 0%, 10%.
Where should I use #40dde5 in a website design?
Is #40dde5 readable on white or black?
#40dde5 has a 1.65:1 contrast ratio on white and 12.69:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.