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Running Number
4,337,965
HEX
#42312D
RGB
66, 49, 45
HSL
11°,19%,22%
HSV
11°,32%,26%
CMYK
0%,26%,32%,74%
Brightness
21%
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
#42312D sits at 11° on the color wheel, placing it in the red family of the warm half of the spectrum. With 19% saturation and 22% lightness, it reads as a heavily muted, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 66, 49, 45 produces a 12.29:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #42312D is a distant relative of CSS dim gray — about 91 units away from #696969. Designers reach for red hues at this saturation when the brief calls for restraint and atmosphere, 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 #42312D in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#42312d";💡 Click any tab to see how to use #42312d in different programming languages