Cobalt
#1A3599
BlueColor Codes
All color formats for development
HEX
#1A3599RGB
rgb(26, 53, 153)HSL
hsl(227, 71%, 35%)OKLCH
oklch(0.381 0.166 266.3)CMYK
cmyk(83%, 65%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#173089
2#152B7A
3#12256B
4#10205C
5#0D1B4C
6#0A153D
7#08102E
8#050B1F
9#03050F
Tints
Lighter variations
1#1F3FB5
2#2349D1
3#395CDD
4#5574E2
5#718BE7
6#8EA2EC
7#AAB9F1
8#C6D1F5
9#E3E8FA
Tones
Muted variations
1#203992
2#273D8C
3#2D4086
4#33447F
5#3A4779
6#404B73
7#464E6C
8#4D5266
9#535660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E6 #E0E6FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6D1 #C6D1F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BAD #9BADEE | BordersInactive statesPlaceholder text |
| 400 | 6682 #6682E5 | Disabled statesSecondary iconsMuted text |
| 500 | 3B5E #3B5EDE | Primary brand colorCTAsActive elementsLinks |
| 600 | 2143 #2143C0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1A35 #1A3599 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1226 #12266D | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C18 #0C1846 | Primary textHigh emphasis contentDark headings |
| 950 | 070F #070F2C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E6FA;
--cobalt-200: #C6D1F5;
--cobalt-300: #9BADEE;
--cobalt-400: #6682E5;
--cobalt-500: #3B5EDE;
--cobalt-600: #2143C0;
--cobalt-700: #1A3599;
--cobalt-800: #12266D;
--cobalt-900: #0C1846;
--cobalt-950: #070F2C;
}