Cobalt
#0B4275
BlueColor Codes
All color formats for development
HEX
#0B4275RGB
rgb(11, 66, 117)HSL
hsl(209, 83%, 25%)OKLCH
oklch(0.375 0.102 251.7)CMYK
cmyk(91%, 44%, 0%, 54%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0A3B69
2#09345D
3#082E52
4#072746
5#05213A
6#041A2F
7#031423
8#020D17
9#01070C
Tints
Lighter variations
1#0E5598
2#1169BB
3#157CDE
4#2D8FEB
5#50A2EF
6#73B5F2
7#96C7F5
8#B9DAF8
9#DCECFC
Tones
Muted variations
1#10416F
2#15416A
3#1B4165
4#20415F
5#25415A
6#2B4055
7#304050
8#35404A
9#3A4045
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F8 #F1F8FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DEEE #DEEEFC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C2DF #C2DFF9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94C6 #94C6F5 | BordersInactive statesPlaceholder text |
| 400 | 5CA8 #5CA8F0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D8F #2D8FEB | Primary brand colorCTAsActive elementsLinks |
| 600 | 1373 #1373CD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F5C #0F5CA3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B42 #0B4275 | Text on light backgroundsHeadingsStrong borders |
| 900 | 072A #072A4B | Primary textHigh emphasis contentDark headings |
| 950 | 041A #041A2F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F8FE;
--cobalt-100: #DEEEFC;
--cobalt-200: #C2DFF9;
--cobalt-300: #94C6F5;
--cobalt-400: #5CA8F0;
--cobalt-500: #2D8FEB;
--cobalt-600: #1373CD;
--cobalt-700: #0F5CA3;
--cobalt-800: #0B4275;
--cobalt-900: #072A4B;
--cobalt-950: #041A2F;
}