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💡 Click on any color value below to copy it to clipboard
Running Number
1,777,433
HEX
#1B1F19
RGB
27, 31, 25
HSL
100°,11%,11%
HSV
100°,19%,12%
CMYK
13%,0%,19%,88%
Brightness
11%
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
#1B1F19 sits at 100° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 11% saturation and 11% lightness, it reads as a heavily muted, deep tone — a quiet, restrained presence that recedes rather than competes. Its RGB mix of 27, 31, 25 produces a 16.71:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #1B1F19 is a clear variant of CSS black — about 48 units away from #000000. Designers reach for chartreuse 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 balanced cast tends to pair best with either warm or cool accents depending on the surrounding palette.
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 #1B1F19 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#1b1f19";💡 Click any tab to see how to use #1b1f19 in different programming languages