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💡 Click on any color value below to copy it to clipboard
Running Number
1,792,899
HEX
#1B5B83
RGB
27, 91, 131
HSL
203°,66%,31%
HSV
203°,79%,51%
CMYK
79%,31%,0%,49%
Brightness
30%
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
#1B5B83 sits at 203° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 66% saturation and 31% lightness, it reads as a richly saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 27, 91, 131 produces a 7.32:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #1B5B83 is a clear variant of CSS teal — about 46 units away from #008080. 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 #1B5B83 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#1b5b83";💡 Click any tab to see how to use #1b5b83 in different programming languages