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💡 Click on any color value below to copy it to clipboard
Running Number
4,173,211
HEX
#3FAD9B
RGB
63, 173, 155
HSL
170°,47%,46%
HSV
170°,64%,68%
CMYK
64%,0%,10%,32%
Brightness
54%
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
#3FAD9B sits at 170° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 47% saturation and 46% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 63, 173, 155 produces a 7.66:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #3FAD9B is a clear variant of CSS steel blue — about 50 units away from #4682B4. Designers reach for cyan hues at this saturation when the brief calls for a conversational, mid-energy register, 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 #3FAD9B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3fad9b";💡 Click any tab to see how to use #3fad9b in different programming languages