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Running Number
12,719,188
HEX
#C21454
RGB
194, 20, 84
HSL
338°,81%,42%
HSV
338°,90%,76%
CMYK
0%,90%,57%,24%
Brightness
31%
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
#C21454 sits at 338° on the color wheel, placing it in the rose family of the warm half of the spectrum. With 81% saturation and 42% lightness, it reads as a richly saturated, shadowed tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 194, 20, 84 produces a 5.96:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.
In RGB space #C21454 is a clear variant of CSS crimson — about 35 units away from #DC143C. Designers reach for rose 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 #C21454 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#c21454";💡 Click any tab to see how to use #c21454 in different programming languages