Cobalt
#1B3C98
BlueColor Codes
All color formats for development
HEX
#1B3C98RGB
rgb(27, 60, 152)HSL
hsl(224, 70%, 35%)OKLCH
oklch(0.394 0.156 264.9)CMYK
cmyk(82%, 61%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#183689
2#153079
3#132A6A
4#10245B
5#0D1E4C
6#0B183D
7#08122E
8#050C1E
9#03060F
Tints
Lighter variations
1#2047B4
2#2552D0
3#3A65DC
4#567BE1
5#7291E6
6#8EA7EB
7#AABDF0
8#C7D3F5
9#E3E9FA
Tones
Muted variations
1#213F91
2#27428B
3#2E4585
4#34487F
5#3A4B78
6#404E72
7#47516C
8#4D5366
9#53565F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E7 #E1E7FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7D3 #C7D3F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BB1 #9BB1ED | BordersInactive statesPlaceholder text |
| 400 | 6789 #6789E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C67 #3C67DD | Primary brand colorCTAsActive elementsLinks |
| 600 | 224C #224CBF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B3C #1B3C98 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 132B #132B6C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C1B #0C1B45 | Primary textHigh emphasis contentDark headings |
| 950 | 0811 #08112B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E1E7FA;
--cobalt-200: #C7D3F5;
--cobalt-300: #9BB1ED;
--cobalt-400: #6789E4;
--cobalt-500: #3C67DD;
--cobalt-600: #224CBF;
--cobalt-700: #1B3C98;
--cobalt-800: #132B6C;
--cobalt-900: #0C1B45;
--cobalt-950: #08112B;
}