Cobalt
#1B4298
BlueColor Codes
All color formats for development
HEX
#1B4298RGB
rgb(27, 66, 152)HSL
hsl(221, 70%, 35%)OKLCH
oklch(0.407 0.148 263.1)CMYK
cmyk(82%, 57%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#183C89
2#153579
3#132E6A
4#10285B
5#0D214C
6#0B1B3D
7#08142E
8#050D1E
9#03070F
Tints
Lighter variations
1#204FB4
2#255BD0
3#3A6DDC
4#5682E1
5#7297E6
6#8EACEB
7#AAC1F0
8#C7D5F5
9#E3EAFA
Tones
Muted variations
1#214591
2#27478B
3#2E4985
4#344C7F
5#3A4E78
6#405072
7#47526C
8#4D5566
9#53575F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E9 #E1E9FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7D5 #C7D5F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BB5 #9BB5ED | BordersInactive statesPlaceholder text |
| 400 | 678F #678FE4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C6F #3C6FDD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2253 #2253BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B42 #1B4298 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 132F #132F6C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C1E #0C1E45 | Primary textHigh emphasis contentDark headings |
| 950 | 0813 #08132B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E1E9FA;
--cobalt-200: #C7D5F5;
--cobalt-300: #9BB5ED;
--cobalt-400: #678FE4;
--cobalt-500: #3C6FDD;
--cobalt-600: #2253BF;
--cobalt-700: #1B4298;
--cobalt-800: #132F6C;
--cobalt-900: #0C1E45;
--cobalt-950: #08132B;
}