Cobalt
#1233A1
BlueColor Codes
All color formats for development
HEX
#1233A1RGB
rgb(18, 51, 161)HSL
hsl(226, 80%, 35%)OKLCH
oklch(0.383 0.181 265.1)CMYK
cmyk(89%, 68%, 0%, 37%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#102E91
2#0E2981
3#0C2470
4#0B1F60
5#091A50
6#071440
7#050F30
8#040A20
9#020510
Tints
Lighter variations
1#153DBE
2#1846DC
3#2E59E8
4#4C71EB
5#6A89EE
6#88A0F2
7#A5B8F5
8#C3D0F8
9#E1E7FC
Tones
Muted variations
1#19379A
2#203B92
3#273F8B
4#2E4284
5#36467D
6#3D4A76
7#444E6F
8#4B5268
9#525560
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F4 #F1F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFE6 #DFE6FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C3D0 #C3D0F8 | Secondary backgroundsInput backgroundsDividers |
| 300 | 95AB #95ABF3 | BordersInactive statesPlaceholder text |
| 400 | 5E80 #5E80ED | Disabled statesSecondary iconsMuted text |
| 500 | 305B #305BE8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1640 #1640CA | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1233 #1233A1 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0D25 #0D2573 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0817 #081749 | Primary textHigh emphasis contentDark headings |
| 950 | 050F #050F2E | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F4FD;
--cobalt-100: #DFE6FB;
--cobalt-200: #C3D0F8;
--cobalt-300: #95ABF3;
--cobalt-400: #5E80ED;
--cobalt-500: #305BE8;
--cobalt-600: #1640CA;
--cobalt-700: #1233A1;
--cobalt-800: #0D2573;
--cobalt-900: #081749;
--cobalt-950: #050F2E;
}