Cobalt
#123FA1
BlueColor Codes
All color formats for development
HEX
#123FA1RGB
rgb(18, 63, 161)HSL
hsl(221, 80%, 35%)OKLCH
oklch(0.406 0.166 262.8)CMYK
cmyk(89%, 61%, 0%, 37%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#103991
2#0E3281
3#0C2C70
4#0B2660
5#092050
6#071940
7#051330
8#040D20
9#020610
Tints
Lighter variations
1#154BBE
2#1856DC
3#2E69E8
4#4C7EEB
5#6A94EE
6#88A9F2
7#A5BFF5
8#C3D4F8
9#E1EAFC
Tones
Muted variations
1#19429A
2#204492
3#27478B
4#2E4A84
5#364C7D
6#3D4F76
7#44516F
8#4B5468
9#525760
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F5 #F1F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFE8 #DFE8FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C3D4 #C3D4F8 | Secondary backgroundsInput backgroundsDividers |
| 300 | 95B3 #95B3F3 | BordersInactive statesPlaceholder text |
| 400 | 5E8C #5E8CED | Disabled statesSecondary iconsMuted text |
| 500 | 306B #306BE8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 164F #164FCA | Hover statesFocus ringsPrimary buttons hover |
| 700 | 123F #123FA1 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0D2D #0D2D73 | Text on light backgroundsHeadingsStrong borders |
| 900 | 081D #081D49 | Primary textHigh emphasis contentDark headings |
| 950 | 0512 #05122E | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F5FD;
--cobalt-100: #DFE8FB;
--cobalt-200: #C3D4F8;
--cobalt-300: #95B3F3;
--cobalt-400: #5E8CED;
--cobalt-500: #306BE8;
--cobalt-600: #164FCA;
--cobalt-700: #123FA1;
--cobalt-800: #0D2D73;
--cobalt-900: #081D49;
--cobalt-950: #05122E;
}