Cobalt
#0B42A8
BlueColor Codes
All color formats for development
HEX
#0B42A8RGB
rgb(11, 66, 168)HSL
hsl(219, 88%, 35%)OKLCH
oklch(0.417 0.173 261.7)CMYK
cmyk(93%, 61%, 0%, 34%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0A3B97
2#093586
3#072E75
4#062765
5#052154
6#041A43
7#031432
8#020D22
9#010711
Tints
Lighter variations
1#0D4EC7
2#0F5AE6
3#256CF1
4#4481F3
5#6396F5
6#82ABF7
7#A2C0F9
8#C1D5FB
9#E0EAFD
Tones
Muted variations
1#1344A0
2#1A4698
3#224990
4#2A4B88
5#324D81
6#3A5079
7#425271
8#4A5569
9#515761
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F5 #F1F5FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DDE8 #DDE8FD | Light backgroundsTable row hoverSkeleton loading |
| 200 | C1D5 #C1D5FB | Secondary backgroundsInput backgroundsDividers |
| 300 | 91B5 #91B5F8 | BordersInactive statesPlaceholder text |
| 400 | 578E #578EF4 | Disabled statesSecondary iconsMuted text |
| 500 | 276E #276EF1 | Primary brand colorCTAsActive elementsLinks |
| 600 | 0D53 #0D53D3 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0B42 #0B42A8 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 082F #082F78 | Text on light backgroundsHeadingsStrong borders |
| 900 | 051E #051E4D | Primary textHigh emphasis contentDark headings |
| 950 | 0313 #031330 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F5FE;
--cobalt-100: #DDE8FD;
--cobalt-200: #C1D5FB;
--cobalt-300: #91B5F8;
--cobalt-400: #578EF4;
--cobalt-500: #276EF1;
--cobalt-600: #0D53D3;
--cobalt-700: #0B42A8;
--cobalt-800: #082F78;
--cobalt-900: #051E4D;
--cobalt-950: #031330;
}