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💡 Click on any color value below to copy it to clipboard
Running Number
3,742,749
HEX
#391C1D
RGB
57, 28, 29
HSL
358°,34%,17%
HSV
358°,51%,22%
CMYK
0%,51%,49%,78%
Brightness
14%
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
#391C1D sits at 358° on the color wheel, placing it in the red family of the warm half of the spectrum. With 34% saturation and 17% lightness, it reads as a softly muted, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 57, 28, 29 produces a 15.47:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #391C1D is a distant relative of CSS black — about 70 units away from #000000. 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 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 #391C1D in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#391c1d";💡 Click any tab to see how to use #391c1d in different programming languages