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💡 Click on any color value below to copy it to clipboard
Running Number
4,135,746
HEX
#3F1B42
RGB
63, 27, 66
HSL
295°,42%,18%
HSV
295°,59%,26%
CMYK
5%,59%,0%,74%
Brightness
17%
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
#3F1B42 sits at 295° on the color wheel, placing it in the magenta family of the neutral half of the spectrum. With 42% saturation and 18% lightness, it reads as a moderately saturated, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 63, 27, 66 produces a 14.51:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #3F1B42 is a distant relative of CSS indigo — about 70 units away from #4B0082. Designers reach for magenta hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want weight, depth, and grounded contrast. On screen the balanced cast tends to pair best with either warm or cool accents depending on the surrounding palette.
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 #3F1B42 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3f1b42";💡 Click any tab to see how to use #3f1b42 in different programming languages