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Running Number
5,741,197
HEX
#579A8D
RGB
87, 154, 141
HSL
168°,28%,47%
HSV
168°,44%,60%
CMYK
44%,0%,8%,40%
Brightness
52%
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
#579A8D sits at 168° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 28% saturation and 47% lightness, it reads as a softly muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 87, 154, 141 produces a 6.41:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #579A8D is a clear variant of CSS steel blue — about 49 units away from #4682B4. Designers reach for cyan hues at this saturation when the brief calls for restraint and atmosphere, 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 #579A8D in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#579a8d";💡 Click any tab to see how to use #579a8d in different programming languages