Cobalt
#1B3898
BlueColor Codes
All color formats for development
HEX
#1B3898RGB
rgb(27, 56, 152)HSL
hsl(226, 70%, 35%)OKLCH
oklch(0.386 0.161 265.9)CMYK
cmyk(82%, 63%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#183289
2#152D79
3#13276A
4#10225B
5#0D1C4C
6#0B163D
7#08112E
8#050B1E
9#03060F
Tints
Lighter variations
1#2042B4
2#254DD0
3#3A60DC
4#5676E1
5#728DE6
6#8EA4EB
7#AABBF0
8#C7D1F5
9#E3E8FA
Tones
Muted variations
1#213B91
2#273F8B
3#2E4285
4#34457F
5#3A4978
6#404C72
7#474F6C
8#4D5366
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 | C7D1 #C7D1F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BAE #9BAEED | BordersInactive statesPlaceholder text |
| 400 | 6784 #6784E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C61 #3C61DD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2246 #2246BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B38 #1B3898 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1328 #13286C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C1A #0C1A45 | Primary textHigh emphasis contentDark headings |
| 950 | 0810 #08102B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E1E6FA;
--cobalt-200: #C7D1F5;
--cobalt-300: #9BAEED;
--cobalt-400: #6784E4;
--cobalt-500: #3C61DD;
--cobalt-600: #2246BF;
--cobalt-700: #1B3898;
--cobalt-800: #13286C;
--cobalt-900: #0C1A45;
--cobalt-950: #08102B;
}