Cobalt
#2B3388
BlueColor Codes
All color formats for development
HEX
#2B3388RGB
rgb(43, 51, 136)HSL
hsl(235, 52%, 35%)OKLCH
oklch(0.37 0.14 273.3)CMYK
cmyk(68%, 63%, 0%, 47%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#272E7A
2#22286D
3#1E235F
4#1A1E51
5#151944
6#111436
7#0D0F29
8#090A1B
9#04050E
Tints
Lighter variations
1#333CA1
2#3B45BA
3#4F59C7
4#6870CF
5#8188D7
6#9AA0DF
7#B3B8E7
8#CDCFEF
9#E6E7F7
Tones
Muted variations
1#2F3683
2#343A7E
3#393E7A
4#3D4275
5#424670
6#474A6C
7#4B4E67
8#505263
9#55555E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F4 #F3F4FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E4E5 #E4E5F6 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CDCF #CDCFEF | Secondary backgroundsInput backgroundsDividers |
| 300 | A6AB #A6ABE3 | BordersInactive statesPlaceholder text |
| 400 | 777F #777FD4 | Disabled statesSecondary iconsMuted text |
| 500 | 515B #515BC8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3640 #3640AB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2B33 #2B3388 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1F24 #1F2461 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1417 #14173E | Primary textHigh emphasis contentDark headings |
| 950 | 0C0E #0C0E27 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F4FB;
--cobalt-100: #E4E5F6;
--cobalt-200: #CDCFEF;
--cobalt-300: #A6ABE3;
--cobalt-400: #777FD4;
--cobalt-500: #515BC8;
--cobalt-600: #3640AB;
--cobalt-700: #2B3388;
--cobalt-800: #1F2461;
--cobalt-900: #14173E;
--cobalt-950: #0C0E27;
}