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💡 Click on any color value below to copy it to clipboard
Running Number
4,157,289
HEX
#3F6F69
RGB
63, 111, 105
HSL
173°,28%,34%
HSV
173°,43%,44%
CMYK
43%,0%,5%,56%
Brightness
38%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#3F6F69 sits at 173° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 28% saturation and 34% lightness, it reads as a softly muted, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 63, 111, 105 produces a 5.69:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #3F6F69 is a clear variant of CSS sea green — about 37 units away from #2E8B57. Designers reach for cyan hues at this saturation when the brief calls for restraint and atmosphere, 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 #3F6F69 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3f6f69";💡 Click any tab to see how to use #3f6f69 in different programming languages