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💡 Click on any color value below to copy it to clipboard
Running Number
4,142,687
HEX
#3F365F
RGB
63, 54, 95
HSL
253°,28%,29%
HSV
253°,43%,37%
CMYK
34%,43%,0%,63%
Brightness
24%
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
#3F365F sits at 253° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 28% saturation and 29% 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, 54, 95 produces a 11.03:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #3F365F is a distant relative of CSS indigo — about 65 units away from #4B0082. Designers reach for blue hues at this saturation when the brief calls for restraint and atmosphere, and at this lightness when they want weight, depth, and grounded contrast. 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 #3F365F in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3f365f";💡 Click any tab to see how to use #3f365f in different programming languages