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💡 Click on any color value below to copy it to clipboard
Running Number
3,566,746
HEX
#366C9A
RGB
54, 108, 154
HSL
208°,48%,41%
HSV
208°,65%,60%
CMYK
65%,30%,0%,40%
Brightness
38%
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
#366C9A sits at 208° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 48% saturation and 41% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 54, 108, 154 produces a 5.57:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #366C9A is a clear variant of CSS steel blue — about 38 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 #366C9A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#366c9a";💡 Click any tab to see how to use #366c9a in different programming languages