Cobalt
#1B3498
BlueColor Codes
All color formats for development
HEX
#1B3498RGB
rgb(27, 52, 152)HSL
hsl(228, 70%, 35%)OKLCH
oklch(0.379 0.165 266.8)CMYK
cmyk(82%, 66%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#182F89
2#152979
3#13246A
4#101F5B
5#0D1A4C
6#0B153D
7#08102E
8#050A1E
9#03050F
Tints
Lighter variations
1#203DB4
2#2547D0
3#3A5ADC
4#5672E1
5#7289E6
6#8EA1EB
7#AAB8F0
8#C7D0F5
9#E3E7FA
Tones
Muted variations
1#213891
2#273B8B
3#2E3F85
4#34437F
5#3A4778
6#404A72
7#474E6C
8#4D5266
9#53565F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E6 #E1E6FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7D0 #C7D0F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BAC #9BACED | BordersInactive statesPlaceholder text |
| 400 | 6780 #6780E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C5C #3C5CDD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2241 #2241BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B34 #1B3498 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1325 #13256C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C18 #0C1845 | Primary textHigh emphasis contentDark headings |
| 950 | 080F #080F2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E1E6FA;
--cobalt-200: #C7D0F5;
--cobalt-300: #9BACED;
--cobalt-400: #6780E4;
--cobalt-500: #3C5CDD;
--cobalt-600: #2241BF;
--cobalt-700: #1B3498;
--cobalt-800: #13256C;
--cobalt-900: #0C1845;
--cobalt-950: #080F2B;
}