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Running Number
5,794,923
HEX
#586C6B
RGB
88, 108, 107
HSL
177°,10%,38%
HSV
177°,19%,42%
CMYK
19%,0%,1%,58%
Brightness
40%
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
#586C6B sits at 177° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 10% saturation and 38% lightness, it reads as a heavily muted, shadowed tone — a quiet, restrained presence that recedes rather than competes. Its RGB mix of 88, 108, 107 produces a 5.57:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #586C6B is a close cousin of CSS dim gray — about 17 units away from #696969. 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 #586C6B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#586c6b";💡 Click any tab to see how to use #586c6b in different programming languages