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💡 Click on any color value below to copy it to clipboard
Running Number
4,326,404
HEX
#420404
RGB
66, 4, 4
HSL
0°,89%,14%
HSV
0°,94%,26%
CMYK
0%,94%,94%,74%
Brightness
9%
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
#420404 sits at 0° on the color wheel, placing it in the red family of the warm half of the spectrum. With 89% saturation and 14% lightness, it reads as a fully saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 66, 4, 4 produces a 16.79:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #420404 is a distant relative of CSS maroon — about 62 units away from #800000. Designers reach for red hues at this saturation when the brief calls for bold, immediate signal, and at this lightness when they want weight, depth, and grounded contrast. 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 #420404 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#420404";💡 Click any tab to see how to use #420404 in different programming languages