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Running Number
8,470,347
HEX
#813F4B
RGB
129, 63, 75
HSL
349°,34%,38%
HSV
349°,51%,51%
CMYK
0%,51%,42%,49%
Brightness
33%
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
#813F4B sits at 349° on the color wheel, placing it in the red family of the warm half of the spectrum. With 34% saturation and 38% lightness, it reads as a softly muted, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 129, 63, 75 produces a 7.65:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #813F4B is a clear variant of CSS sienna — about 47 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 #813F4B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#813f4b";💡 Click any tab to see how to use #813f4b in different programming languages