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💡 Click on any color value below to copy it to clipboard
Running Number
6,519,443
HEX
#637A93
RGB
99, 122, 147
HSL
211°,20%,48%
HSV
211°,33%,58%
CMYK
33%,17%,0%,42%
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
#637A93 sits at 211° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 20% saturation and 48% 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 99, 122, 147 produces a 4.74:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #637A93 is a clear variant of CSS gray — about 35 units away from #808080. Designers reach for azure 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 #637A93 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#637a93";💡 Click any tab to see how to use #637a93 in different programming languages