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💡 Click on any color value below to copy it to clipboard
Running Number
12,902,137
HEX
#C4DEF9
RGB
196, 222, 249
HSL
211°,82%,87%
HSV
211°,21%,98%
CMYK
21%,11%,0%,2%
Brightness
85%
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
#C4DEF9 sits at 211° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 82% saturation and 87% lightness, it reads as a richly saturated, very light tone — a soft but unmistakably tinted presence. Its RGB mix of 196, 222, 249 produces a 15.16:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #C4DEF9 is a clear variant of CSS gainsboro — about 38 units away from #DCDCDC. Designers reach for azure hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want lift, air, and gentle emphasis. 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 #C4DEF9 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#c4def9";💡 Click any tab to see how to use #c4def9 in different programming languages