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💡 Click on any color value below to copy it to clipboard
Running Number
10,894,665
HEX
#A63D49
RGB
166, 61, 73
HSL
353°,46%,45%
HSV
353°,63%,65%
CMYK
0%,63%,56%,35%
Brightness
37%
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
#A63D49 sits at 353° on the color wheel, placing it in the red family of the warm half of the spectrum. With 46% saturation and 45% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 166, 61, 73 produces a 6.20:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #A63D49 is a clear variant of CSS sienna — about 36 units away from #A0522D. Designers reach for red 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 warm cast tends to pair best with cool neutrals around 210°-230° to balance temperature.
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 #A63D49 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#a63d49";💡 Click any tab to see how to use #a63d49 in different programming languages