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💡 Click on any color value below to copy it to clipboard
Running Number
15,991,098
HEX
#F4013A
RGB
244, 1, 58
HSL
346°,99%,48%
HSV
346°,100%,96%
CMYK
0%,100%,76%,4%
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
#F4013A sits at 346° on the color wheel, placing it in the red family of the warm half of the spectrum. With 99% saturation and 48% lightness, it reads as a fully saturated, balanced tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 244, 1, 58 produces a 4.91:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #F4013A is a clear variant of CSS crimson — about 31 units away from #DC143C. 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 #F4013A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#f4013a";💡 Click any tab to see how to use #f4013a in different programming languages