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Running Number
592,730
HEX
#090B5A
RGB
9, 11, 90
HSL
239°,82%,19%
HSV
239°,90%,35%
CMYK
90%,88%,0%,65%
Brightness
8%
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
#090B5A sits at 239° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 82% saturation and 19% lightness, it reads as a richly saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 9, 11, 90 produces a 17.40:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #090B5A is a clear variant of CSS navy — about 41 units away from #000080. Designers reach for blue 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 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 #090B5A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#090b5a";💡 Click any tab to see how to use #090b5a in different programming languages