Cobalt
#183F9A
BlueColor Codes
All color formats for development
HEX
#183F9ARGB
rgb(24, 63, 154)HSL
hsl(222, 73%, 35%)OKLCH
oklch(0.401 0.155 263.4)CMYK
cmyk(84%, 59%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#16398B
2#13337C
3#112C6C
4#0E265D
5#0C204D
6#0A193E
7#07132E
8#050D1F
9#02060F
Tints
Lighter variations
1#1D4BB7
2#2157D4
3#3669E0
4#537FE4
5#7094E9
6#8CA9ED
7#A9BFF2
8#C6D4F6
9#E2EAFB
Tones
Muted variations
1#1F4294
2#25448D
3#2C4787
4#324A80
5#394C7A
6#3F4F73
7#46516D
8#4C5466
9#535760
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 | C6D4 #C6D4F6 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9AB3 #9AB3EF | BordersInactive statesPlaceholder text |
| 400 | 658C #658CE7 | Disabled statesSecondary iconsMuted text |
| 500 | 386B #386BE0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1E4F #1E4FC2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 183F #183F9A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 112D #112D6E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0B1D #0B1D47 | Primary textHigh emphasis contentDark headings |
| 950 | 0712 #07122C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E8FA;
--cobalt-200: #C6D4F6;
--cobalt-300: #9AB3EF;
--cobalt-400: #658CE7;
--cobalt-500: #386BE0;
--cobalt-600: #1E4FC2;
--cobalt-700: #183F9A;
--cobalt-800: #112D6E;
--cobalt-900: #0B1D47;
--cobalt-950: #07122C;
}