Cobalt
#003780
BlueColor Codes
All color formats for development
HEX
#003780RGB
rgb(0, 55, 128)HSL
hsl(214, 100%, 25%)OKLCH
oklch(0.355 0.134 258.5)CMYK
cmyk(100%, 57%, 0%, 50%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#003273
2#002C66
3#002759
4#00214D
5#001C40
6#001633
7#001126
8#000B1A
9#00060D
Tints
Lighter variations
1#0048A6
2#0058CC
3#0069F2
4#1A7DFF
5#4093FF
6#66A8FF
7#8CBEFF
8#B3D4FF
9#D9E9FF
Tones
Muted variations
1#063879
2#0D3973
3#133A6C
4#193B66
5#203B60
6#263C59
7#2D3D53
8#333E4D
9#393F46
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F6 #F0F6FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DBEB #DBEBFF | Light backgroundsTable row hoverSkeleton loading |
| 200 | BDD9 #BDD9FF | Secondary backgroundsInput backgroundsDividers |
| 300 | 8ABD #8ABDFF | BordersInactive statesPlaceholder text |
| 400 | 4D9A #4D9AFF | Disabled statesSecondary iconsMuted text |
| 500 | 1A7D #1A7DFF | Primary brand colorCTAsActive elementsLinks |
| 600 | 0061 #0061E0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 004D #004DB3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0037 #003780 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0023 #002352 | Primary textHigh emphasis contentDark headings |
| 950 | 0016 #001633 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F6FF;
--cobalt-100: #DBEBFF;
--cobalt-200: #BDD9FF;
--cobalt-300: #8ABDFF;
--cobalt-400: #4D9AFF;
--cobalt-500: #1A7DFF;
--cobalt-600: #0061E0;
--cobalt-700: #004DB3;
--cobalt-800: #003780;
--cobalt-900: #002352;
--cobalt-950: #001633;
}