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💡 Click on any color value below to copy it to clipboard
Running Number
11,279,165
HEX
#AC1B3D
RGB
172, 27, 61
HSL
346°,73%,39%
HSV
346°,84%,67%
CMYK
0%,84%,65%,33%
Brightness
29%
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
#AC1B3D sits at 346° on the color wheel, placing it in the red family of the warm half of the spectrum. With 73% saturation and 39% lightness, it reads as a richly saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 172, 27, 61 produces a 7.05:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #AC1B3D is a clear variant of CSS brown — about 25 units away from #A52A2A. Designers reach for red hues at this saturation when the brief calls for bold, immediate signal, 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 #AC1B3D in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#ac1b3d";💡 Click any tab to see how to use #ac1b3d in different programming languages