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Running Number
9,135,812
HEX
#8B66C4
RGB
139, 102, 196
HSL
264°,44%,58%
HSV
264°,48%,77%
CMYK
29%,48%,0%,23%
Brightness
49%
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
#8B66C4 sits at 264° on the color wheel, placing it in the violet family of the cool half of the spectrum. With 44% saturation and 58% lightness, it reads as a moderately saturated, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 139, 102, 196 produces a 4.80:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #8B66C4 is a clear variant of CSS slate blue — about 36 units away from #6A5ACD. Designers reach for violet 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 #8B66C4 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#8b66c4";💡 Click any tab to see how to use #8b66c4 in different programming languages