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💡 Click on any color value below to copy it to clipboard
Running Number
4,173,039
HEX
#3FACEF
RGB
63, 172, 239
HSL
203°,85%,59%
HSV
203°,74%,94%
CMYK
74%,28%,0%,6%
Brightness
58%
Type
Light
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#3FACEF sits at 203° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 85% saturation and 59% lightness, it reads as a fully saturated, light tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 63, 172, 239 produces a 8.36:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #3FACEF is a distant relative of CSS turquoise — about 61 units away from #40E0D0. Designers reach for azure hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #3FACEF in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3facef";💡 Click any tab to see how to use #3facef in different programming languages