Cobalt
#0A37A9
BlueColor Codes
All color formats for development
HEX
#0A37A9RGB
rgb(10, 55, 169)HSL
hsl(223, 89%, 35%)OKLCH
oklch(0.397 0.187 263.6)CMYK
cmyk(94%, 67%, 0%, 34%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#093198
2#082C87
3#072676
4#062165
5#051B54
6#041643
7#031033
8#020B22
9#010511
Tints
Lighter variations
1#0C41C8
2#0D4BE7
3#245EF2
4#4375F4
5#628CF6
6#82A3F8
7#A1BAFA
8#C0D1FB
9#E0E8FD
Tones
Muted variations
1#123AA1
2#1A3E99
3#224191
4#2A4589
5#324881
6#394B79
7#414F71
8#495269
9#515661
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F4 #F1F4FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DDE6 #DDE6FD | Light backgroundsTable row hoverSkeleton loading |
| 200 | C0D1 #C0D1FB | Secondary backgroundsInput backgroundsDividers |
| 300 | 90AE #90AEF9 | BordersInactive statesPlaceholder text |
| 400 | 5683 #5683F5 | Disabled statesSecondary iconsMuted text |
| 500 | 2660 #2660F2 | Primary brand colorCTAsActive elementsLinks |
| 600 | 0C45 #0C45D4 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0A37 #0A37A9 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0727 #072778 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0419 #04194D | Primary textHigh emphasis contentDark headings |
| 950 | 0310 #031030 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F4FE;
--cobalt-100: #DDE6FD;
--cobalt-200: #C0D1FB;
--cobalt-300: #90AEF9;
--cobalt-400: #5683F5;
--cobalt-500: #2660F2;
--cobalt-600: #0C45D4;
--cobalt-700: #0A37A9;
--cobalt-800: #072778;
--cobalt-900: #04194D;
--cobalt-950: #031030;
}