Cobalt
#3640AB
BlueColor Codes
All color formats for development
HEX
#3640ABRGB
rgb(54, 64, 171)HSL
hsl(235, 52%, 44%)OKLCH
oklch(0.432 0.169 272.9)CMYK
cmyk(68%, 63%, 0%, 33%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#303999
2#2B3388
3#262D77
4#202666
5#1B2055
6#161944
7#101333
8#0B0D22
9#050611
Tints
Lighter variations
1#3D48C0
2#515BC8
3#6770CF
4#7D84D6
5#9299DD
6#A8ADE4
7#BEC2EA
8#D4D6F1
9#E9EBF8
Tones
Muted variations
1#3C44A5
2#42499F
3#474E99
4#4D5393
5#53588D
6#595D88
7#5F6282
8#65667C
9#6A6B76
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;
}