Cobalt
#1B3298
BlueColor Codes
All color formats for development
HEX
#1B3298RGB
rgb(27, 50, 152)HSL
hsl(229, 70%, 35%)OKLCH
oklch(0.375 0.168 267.2)CMYK
cmyk(82%, 67%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#182D89
2#152879
3#13236A
4#101E5B
5#0D194C
6#0B143D
7#080F2E
8#050A1E
9#03050F
Tints
Lighter variations
1#203BB4
2#2544D0
3#3A58DC
4#566FE1
5#7287E6
6#8E9FEB
7#AAB7F0
8#C7CFF5
9#E3E7FA
Tones
Muted variations
1#213691
2#273A8B
3#2E3E85
4#34427F
5#3A4578
6#404972
7#474D6C
8#4D5166
9#53555F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E5 #E1E5FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7CF #C7CFF5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BAA #9BAAED | BordersInactive statesPlaceholder text |
| 400 | 677E #677EE4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C59 #3C59DD | Primary brand colorCTAsActive elementsLinks |
| 600 | 223E #223EBF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B32 #1B3298 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1323 #13236C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C17 #0C1745 | Primary textHigh emphasis contentDark headings |
| 950 | 080E #080E2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E1E5FA;
--cobalt-200: #C7CFF5;
--cobalt-300: #9BAAED;
--cobalt-400: #677EE4;
--cobalt-500: #3C59DD;
--cobalt-600: #223EBF;
--cobalt-700: #1B3298;
--cobalt-800: #13236C;
--cobalt-900: #0C1745;
--cobalt-950: #080E2B;
}