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💡 Click on any color value below to copy it to clipboard
Running Number
3,881,884
HEX
#3B3B9C
RGB
59, 59, 156
HSL
240°,45%,42%
HSV
240°,62%,61%
CMYK
62%,62%,0%,39%
Brightness
27%
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
#3B3B9C sits at 240° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 45% saturation and 42% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 59, 59, 156 produces a 9.16:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #3B3B9C is a distant relative of CSS indigo — about 66 units away from #4B0082. Designers reach for blue 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 #3B3B9C in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#3b3b9c";💡 Click any tab to see how to use #3b3b9c in different programming languages