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💡 Click on any color value below to copy it to clipboard
Running Number
801,051
HEX
#0C391B
RGB
12, 57, 27
HSL
140°,65%,14%
HSV
140°,79%,22%
CMYK
79%,0%,53%,78%
Brightness
16%
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
#0C391B sits at 140° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 65% saturation and 14% lightness, it reads as a richly saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 12, 57, 27 produces a 12.99:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #0C391B is a distant relative of CSS black — about 64 units away from #000000. Designers reach for spring green 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 cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
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 #0C391B in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#0c391b";💡 Click any tab to see how to use #0c391b in different programming languages