Cobalt
#183D9A
BlueColor Codes
All color formats for development
HEX
#183D9ARGB
rgb(24, 61, 154)HSL
hsl(223, 73%, 35%)OKLCH
oklch(0.397 0.158 264)CMYK
cmyk(84%, 60%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#16378B
2#13317C
3#112B6C
4#0E255D
5#0C1F4D
6#0A183E
7#07122E
8#050C1F
9#02060F
Tints
Lighter variations
1#1D48B7
2#2154D4
3#3666E0
4#537CE4
5#7092E9
6#8CA8ED
7#A9BEF2
8#C6D3F6
9#E2E9FB
Tones
Muted variations
1#1F4094
2#25438D
3#2C4587
4#324880
5#394B7A
6#3F4E73
7#46516D
8#4C5466
9#535660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E8 #E0E8FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6D3 #C6D3F6 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9AB2 #9AB2EF | BordersInactive statesPlaceholder text |
| 400 | 658A #658AE7 | Disabled statesSecondary iconsMuted text |
| 500 | 3868 #3868E0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1E4D #1E4DC2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 183D #183D9A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 112C #112C6E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0B1C #0B1C47 | Primary textHigh emphasis contentDark headings |
| 950 | 0711 #07112C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E8FA;
--cobalt-200: #C6D3F6;
--cobalt-300: #9AB2EF;
--cobalt-400: #658AE7;
--cobalt-500: #3868E0;
--cobalt-600: #1E4DC2;
--cobalt-700: #183D9A;
--cobalt-800: #112C6E;
--cobalt-900: #0B1C47;
--cobalt-950: #07112C;
}