Cobalt
#0F39A3
BlueColor Codes
All color formats for development
HEX
#0F39A3RGB
rgb(15, 57, 163)HSL
hsl(223, 83%, 35%)OKLCH
oklch(0.395 0.177 263.7)CMYK
cmyk(91%, 65%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0E3393
2#0C2E83
3#0B2872
4#092262
5#081D52
6#061741
7#051131
8#030B21
9#020610
Tints
Lighter variations
1#1244C2
2#154EE0
3#2B61EB
4#4978EE
5#678EF1
6#86A5F4
7#A4BBF7
8#C2D2F9
9#E1E8FC
Tones
Muted variations
1#173C9C
2#1E4095
3#25438D
4#2D4686
5#34497E
6#3C4C77
7#43506F
8#4A5368
9#525661
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F5 #F1F5FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DEE7 #DEE7FC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C2D2 #C2D2F9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94AF #94AFF5 | BordersInactive statesPlaceholder text |
| 400 | 5C86 #5C86F0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D63 #2D63EB | Primary brand colorCTAsActive elementsLinks |
| 600 | 1348 #1348CD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F39 #0F39A3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B29 #0B2975 | Text on light backgroundsHeadingsStrong borders |
| 900 | 071A #071A4B | Primary textHigh emphasis contentDark headings |
| 950 | 0410 #04102F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F5FE;
--cobalt-100: #DEE7FC;
--cobalt-200: #C2D2F9;
--cobalt-300: #94AFF5;
--cobalt-400: #5C86F0;
--cobalt-500: #2D63EB;
--cobalt-600: #1348CD;
--cobalt-700: #0F39A3;
--cobalt-800: #0B2975;
--cobalt-900: #071A4B;
--cobalt-950: #04102F;
}