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💡 Click on any color value below to copy it to clipboard
Running Number
3,566,274
HEX
#366AC2
RGB
54, 106, 194
HSL
218°,56%,49%
HSV
218°,72%,76%
CMYK
72%,45%,0%,24%
Brightness
39%
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
#366AC2 sits at 218° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 56% saturation and 49% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 54, 106, 194 produces a 5.25:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #366AC2 is a clear variant of CSS steel blue — about 32 units away from #4682B4. Designers reach for azure 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 #366AC2 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#366ac2";💡 Click any tab to see how to use #366ac2 in different programming languages