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💡 Click on any color value below to copy it to clipboard
Running Number
660,918
HEX
#0A15B6
RGB
10, 21, 182
HSL
236°,90%,38%
HSV
236°,95%,71%
CMYK
95%,88%,0%,29%
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
#0A15B6 sits at 236° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 90% saturation and 38% lightness, it reads as a fully saturated, shadowed tone — an immediate, signal-grade voice that demands attention. Its RGB mix of 10, 21, 182 produces a 11.69:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.
In RGB space #0A15B6 is a clear variant of CSS navy — about 59 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 a present, comfortable mid-canvas voice. 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 #0A15B6 in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#0a15b6";💡 Click any tab to see how to use #0a15b6 in different programming languages