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Running Number
8,985,643
HEX
#891C2B
RGB
137, 28, 43
HSL
352°,66%,32%
HSV
352°,80%,54%
CMYK
0%,80%,69%,46%
Brightness
24%
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
#891C2B sits at 352° on the color wheel, placing it in the red family of the warm half of the spectrum. With 66% saturation and 32% 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 137, 28, 43 produces a 9.27:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #891C2B is a clear variant of CSS brown — about 31 units away from #A52A2A. 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 #891C2B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#891c2b";💡 Click any tab to see how to use #891c2b in different programming languages