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Running Number
421,735
HEX
#066F67
RGB
6, 111, 103
HSL
175°,90%,23%
HSV
175°,95%,44%
CMYK
95%,0%,7%,56%
Brightness
31%
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
#066F67 sits at 175° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 90% saturation and 23% lightness, it reads as a fully saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 6, 111, 103 produces a 6.04:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #066F67 is a clear variant of CSS teal — about 31 units away from #008080. Designers reach for cyan hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want weight, depth, and grounded contrast. 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 #066F67 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#066f67";💡 Click any tab to see how to use #066f67 in different programming languages