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💡 Click on any color value below to copy it to clipboard
Running Number
5,744,367
HEX
#57A6EF
RGB
87, 166, 239
HSL
209°,83%,64%
HSV
209°,64%,94%
CMYK
64%,31%,0%,6%
Brightness
59%
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
#57A6EF sits at 209° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 83% saturation and 64% lightness, it reads as a richly saturated, light tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 87, 166, 239 produces a 8.11:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.
In RGB space #57A6EF is a distant relative of CSS sky blue — about 63 units away from #87CEEB. Designers reach for azure hues at this saturation when the brief calls for bold, immediate signal, 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 #57A6EF in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#57a6ef";💡 Click any tab to see how to use #57a6ef in different programming languages