Cobalt
#0B3975
BlueColor Codes
All color formats for development
HEX
#0B3975RGB
rgb(11, 57, 117)HSL
hsl(214, 83%, 25%)OKLCH
oklch(0.353 0.114 257.4)CMYK
cmyk(91%, 51%, 0%, 54%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0A3369
2#092D5D
3#082852
4#072246
5#051C3A
6#04172F
7#031123
8#020B17
9#01060C
Tints
Lighter variations
1#0E4A98
2#115BBB
3#156CDE
4#2D80EB
5#5095EF
6#73AAF2
7#96BFF5
8#B9D5F8
9#DCEAFC
Tones
Muted variations
1#10396F
2#153A6A
3#1B3B65
4#203C5F
5#253C5A
6#2B3D55
7#303E50
8#353E4A
9#3A3F45
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F7 #F1F7FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DEEB #DEEBFC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C2DA #C2DAF9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94BE #94BEF5 | BordersInactive statesPlaceholder text |
| 400 | 5C9C #5C9CF0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D80 #2D80EB | Primary brand colorCTAsActive elementsLinks |
| 600 | 1364 #1364CD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F4F #0F4FA3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B39 #0B3975 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0724 #07244B | Primary textHigh emphasis contentDark headings |
| 950 | 0417 #04172F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F7FE;
--cobalt-100: #DEEBFC;
--cobalt-200: #C2DAF9;
--cobalt-300: #94BEF5;
--cobalt-400: #5C9CF0;
--cobalt-500: #2D80EB;
--cobalt-600: #1364CD;
--cobalt-700: #0F4FA3;
--cobalt-800: #0B3975;
--cobalt-900: #07244B;
--cobalt-950: #04172F;
}