Cobalt
#0F3CA3
BlueColor Codes
All color formats for development
HEX
#0F3CA3RGB
rgb(15, 60, 163)HSL
hsl(222, 83%, 35%)OKLCH
oklch(0.401 0.173 263.1)CMYK
cmyk(91%, 63%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0E3693
2#0C3083
3#0B2A72
4#092462
5#081E52
6#061841
7#051231
8#030C21
9#020610
Tints
Lighter variations
1#1247C2
2#1552E0
3#2B64EB
4#497BEE
5#6791F1
6#86A7F4
7#A4BDF7
8#C2D3F9
9#E1E9FC
Tones
Muted variations
1#173F9C
2#1E4295
3#25458D
4#2D4786
5#344A7E
6#3C4D77
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 | C2D3 #C2D3F9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94B1 #94B1F5 | BordersInactive statesPlaceholder text |
| 400 | 5C88 #5C88F0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D66 #2D66EB | Primary brand colorCTAsActive elementsLinks |
| 600 | 134B #134BCD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F3C #0F3CA3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B2B #0B2B75 | Text on light backgroundsHeadingsStrong borders |
| 900 | 071B #071B4B | Primary textHigh emphasis contentDark headings |
| 950 | 0411 #04112F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F5FE;
--cobalt-100: #DEE7FC;
--cobalt-200: #C2D3F9;
--cobalt-300: #94B1F5;
--cobalt-400: #5C88F0;
--cobalt-500: #2D66EB;
--cobalt-600: #134BCD;
--cobalt-700: #0F3CA3;
--cobalt-800: #0B2B75;
--cobalt-900: #071B4B;
--cobalt-950: #04112F;
}