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💡 Click on any color value below to copy it to clipboard
Running Number
1,777,411
HEX
#1B1F03
RGB
27, 31, 3
HSL
69°,82%,7%
HSV
69°,90%,12%
CMYK
13%,0%,90%,88%
Brightness
10%
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
#1B1F03 sits at 69° on the color wheel, placing it in the yellow family of the warm half of the spectrum. With 82% saturation and 7% lightness, it reads as a richly saturated, near-black tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 27, 31, 3 produces a 16.88:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #1B1F03 is a clear variant of CSS black — about 41 units away from #000000. Designers reach for yellow 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 #1B1F03 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#1b1f03";💡 Click any tab to see how to use #1b1f03 in different programming languages