#40D2FF Hex Color
Glacier-Bright Cyan With a Glow
Fresh, sparkling cyan. #40d2ff is a light, highly saturated sky blue that reads cold and energetic, closer to pool water than a calm sea. That intensity works best as an accent or on dark UI backgrounds; against white it can wash out. Black text on it reaches about 11.9:1 contrast, well past WCAG AA. Pair it with navy, and mute it carefully using what colors make gray.
Questions about #40d2ff
What is #40d2ff in RGB, HSL and CMYK?
In RGB, #40d2ff is rgb(64, 210, 255), in HSL hsl(194, 100%, 63%) and in CMYK 75%, 18%, 0%, 0%.
What colors pair well with #40d2ff?
Deep tones like navy and charcoal make #40d2ff glow, since dark neighbors absorb its intensity. For warmth, coral or terracotta accents work well. Skip white text on it, which loses clarity.
Is #40d2ff readable on white or black?
#40d2ff has a 1.76:1 contrast ratio on white and 11.88:1 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.