Cobalt
#1B4B98
BlueColor Codes
All color formats for development
HEX
#1B4B98RGB
rgb(27, 75, 152)HSL
hsl(217, 70%, 35%)OKLCH
oklch(0.427 0.137 259.7)CMYK
cmyk(82%, 51%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#184389
2#153C79
3#13346A
4#102D5B
5#0D254C
6#0B1E3D
7#08162E
8#050F1E
9#03070F
Tints
Lighter variations
1#2059B4
2#2566D0
3#3A78DC
4#568BE1
5#729FE6
6#8EB2EB
7#AAC5F0
8#C7D8F5
9#E3ECFA
Tones
Muted variations
1#214C91
2#274E8B
3#2E4F85
4#34517F
5#3A5278
6#405372
7#47556C
8#4D5666
9#53585F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F6 #F2F6FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1EA #E1EAFA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7D8 #C7D8F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BBB #9BBBED | BordersInactive statesPlaceholder text |
| 400 | 6797 #6797E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C7A #3C7ADD | Primary brand colorCTAsActive elementsLinks |
| 600 | 225E #225EBF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B4B #1B4B98 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1335 #13356C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C22 #0C2245 | Primary textHigh emphasis contentDark headings |
| 950 | 0815 #08152B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F6FD;
--cobalt-100: #E1EAFA;
--cobalt-200: #C7D8F5;
--cobalt-300: #9BBBED;
--cobalt-400: #6797E4;
--cobalt-500: #3C7ADD;
--cobalt-600: #225EBF;
--cobalt-700: #1B4B98;
--cobalt-800: #13356C;
--cobalt-900: #0C2245;
--cobalt-950: #08152B;
}