Cobalt
#183B9A
BlueColor Codes
All color formats for development
HEX
#183B9ARGB
rgb(24, 59, 154)HSL
hsl(224, 73%, 35%)OKLCH
oklch(0.393 0.16 264.5)CMYK
cmyk(84%, 62%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#16358B
2#132F7C
3#11296C
4#0E235D
5#0C1D4D
6#0A183E
7#07122E
8#050C1F
9#02060F
Tints
Lighter variations
1#1D46B7
2#2151D4
3#3663E0
4#537AE4
5#7090E9
6#8CA6ED
7#A9BCF2
8#C6D3F6
9#E2E9FB
Tones
Muted variations
1#1F3E94
2#25418D
3#2C4487
4#324780
5#394A7A
6#3F4D73
7#46506D
8#4C5366
9#535660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E7 #E0E7FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6D3 #C6D3F6 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9AB0 #9AB0EF | BordersInactive statesPlaceholder text |
| 400 | 6587 #6587E7 | Disabled statesSecondary iconsMuted text |
| 500 | 3865 #3865E0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1E4A #1E4AC2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 183B #183B9A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 112A #112A6E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0B1B #0B1B47 | 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: #E0E7FA;
--cobalt-200: #C6D3F6;
--cobalt-300: #9AB0EF;
--cobalt-400: #6587E7;
--cobalt-500: #3865E0;
--cobalt-600: #1E4AC2;
--cobalt-700: #183B9A;
--cobalt-800: #112A6E;
--cobalt-900: #0B1B47;
--cobalt-950: #07112C;
}