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Running Number
8,948,681
HEX
#888BC9
RGB
136, 139, 201
HSL
237°,38%,66%
HSV
237°,32%,79%
CMYK
32%,31%,0%,21%
Brightness
57%
Type
Light
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#888BC9 sits at 237° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 38% saturation and 66% lightness, it reads as a softly muted, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 136, 139, 201 produces a 6.58:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #888BC9 is a clear variant of CSS slate blue — about 58 units away from #6A5ACD. 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 #888BC9 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#888bc9";💡 Click any tab to see how to use #888bc9 in different programming languages