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💡 Click on any color value below to copy it to clipboard
Running Number
1,285,053
HEX
#139BBD
RGB
19, 155, 189
HSL
192°,82%,41%
HSV
192°,90%,74%
CMYK
90%,18%,0%,26%
Brightness
46%
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
#139BBD sits at 192° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 82% saturation and 41% lightness, it reads as a richly saturated, shadowed tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 19, 155, 189 produces a 6.45:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #139BBD is a clear variant of CSS steel blue — about 58 units away from #4682B4. Designers reach for cyan 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 #139BBD in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#139bbd";💡 Click any tab to see how to use #139bbd in different programming languages