Cobalt
#0421AE
BlueColor Codes
All color formats for development
HEX
#0421AERGB
rgb(4, 33, 174)HSL
hsl(230, 96%, 35%)OKLCH
oklch(0.367 0.217 264.6)CMYK
cmyk(98%, 81%, 0%, 32%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#031D9D
2#031A8C
3#02167A
4#021369
5#021057
6#010D46
7#010A34
8#010623
9#000311
Tints
Lighter variations
1#0426CF
2#052CF0
3#1C41FA
4#3C5CFB
5#5D77FC
6#7D92FC
7#9EADFD
8#BEC9FE
9#DFE4FE
Tones
Muted variations
1#0C26A6
2#152C9E
3#1D3195
4#26378D
5#2E3D84
6#37427C
7#404873
8#484E6A
9#515462
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F2 #F0F2FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DCE2 #DCE2FE | Light backgroundsTable row hoverSkeleton loading |
| 200 | BEC9 #BEC9FE | Secondary backgroundsInput backgroundsDividers |
| 300 | 8C9F #8C9FFD | BordersInactive statesPlaceholder text |
| 400 | 506D #506DFB | Disabled statesSecondary iconsMuted text |
| 500 | 1E43 #1E43FA | Primary brand colorCTAsActive elementsLinks |
| 600 | 0428 #0428DC | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0420 #0420AF | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0317 #03177D | Text on light backgroundsHeadingsStrong borders |
| 900 | 020F #020F50 | Primary textHigh emphasis contentDark headings |
| 950 | 0109 #010932 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F2FF;
--cobalt-100: #DCE2FE;
--cobalt-200: #BEC9FE;
--cobalt-300: #8C9FFD;
--cobalt-400: #506DFB;
--cobalt-500: #1E43FA;
--cobalt-600: #0428DC;
--cobalt-700: #0420AF;
--cobalt-800: #03177D;
--cobalt-900: #020F50;
--cobalt-950: #010932;
}