Cobalt
#1A3E99
BlueColor Codes
All color formats for development
HEX
#1A3E99RGB
rgb(26, 62, 153)HSL
hsl(223, 71%, 35%)OKLCH
oklch(0.399 0.155 264.1)CMYK
cmyk(83%, 59%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#173889
2#15317A
3#122B6B
4#10255C
5#0D1F4C
6#0A193D
7#08132E
8#050C1F
9#03060F
Tints
Lighter variations
1#1F49B5
2#2355D1
3#3967DD
4#557DE2
5#7193E7
6#8EA8EC
7#AABEF1
8#C6D4F5
9#E3E9FA
Tones
Muted variations
1#204192
2#27438C
3#2D4686
4#33497F
5#3A4C79
6#404E73
7#46516C
8#4D5466
9#535760
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E8 #E0E8FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6D4 #C6D4F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BB2 #9BB2EE | BordersInactive statesPlaceholder text |
| 400 | 668A #668AE5 | Disabled statesSecondary iconsMuted text |
| 500 | 3B69 #3B69DE | Primary brand colorCTAsActive elementsLinks |
| 600 | 214E #214EC0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1A3E #1A3E99 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 122C #122C6D | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C1C #0C1C46 | Primary textHigh emphasis contentDark headings |
| 950 | 0712 #07122C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E8FA;
--cobalt-200: #C6D4F5;
--cobalt-300: #9BB2EE;
--cobalt-400: #668AE5;
--cobalt-500: #3B69DE;
--cobalt-600: #214EC0;
--cobalt-700: #1A3E99;
--cobalt-800: #122C6D;
--cobalt-900: #0C1C46;
--cobalt-950: #07122C;
}