Cobalt
#3F42A2
BlueColor Codes
All color formats for development
HEX
#3F42A2RGB
rgb(63, 66, 162)HSL
hsl(238, 44%, 44%)OKLCH
oklch(0.434 0.152 276.7)CMYK
cmyk(61%, 59%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#393C91
2#323581
3#2C2E71
4#262861
5#1F2151
6#191A41
7#131430
8#0D0D20
9#060710
Tints
Lighter variations
1#474BB6
2#5A5EBF
3#6F72C7
4#8486CF
5#989AD7
6#ADAEDF
7#C1C3E7
8#D6D7EF
9#EAEBF7
Tones
Muted variations
1#44479D
2#494B98
3#4E5093
4#53558E
5#585989
6#5C5E84
7#61627F
8#66677A
9#6B6C75
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F4 #F4F4FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E5E6 #E5E6F5 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CFD0 #CFD0EC | Secondary backgroundsInput backgroundsDividers |
| 300 | ABAC #ABACDE | BordersInactive statesPlaceholder text |
| 400 | 7E81 #7E81CD | Disabled statesSecondary iconsMuted text |
| 500 | 5A5D #5A5DBF | Primary brand colorCTAsActive elementsLinks |
| 600 | 3F42 #3F42A2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3235 #323581 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2426 #24265C | Text on light backgroundsHeadingsStrong borders |
| 900 | 1718 #17183B | Primary textHigh emphasis contentDark headings |
| 950 | 0E0F #0E0F25 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F4F4FB;
--cobalt-100: #E5E6F5;
--cobalt-200: #CFD0EC;
--cobalt-300: #ABACDE;
--cobalt-400: #7E81CD;
--cobalt-500: #5A5DBF;
--cobalt-600: #3F42A2;
--cobalt-700: #323581;
--cobalt-800: #24265C;
--cobalt-900: #17183B;
--cobalt-950: #0E0F25;
}