Cobalt
#004280
BlueColor Codes
All color formats for development
HEX
#004280RGB
rgb(0, 66, 128)HSL
hsl(209, 100%, 25%)OKLCH
oklch(0.381 0.12 253.7)CMYK
cmyk(100%, 48%, 0%, 50%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#003B73
2#003566
3#002E59
4#00284D
5#002140
6#001A33
7#001426
8#000D1A
9#00070D
Tints
Lighter variations
1#0056A6
2#0069CC
3#007DF2
4#1A90FF
5#40A3FF
6#66B5FF
7#8CC8FF
8#B3DAFF
9#D9EDFF
Tones
Muted variations
1#064279
2#0D4173
3#13416C
4#194166
5#204160
6#264159
7#2D4053
8#33404D
9#394046
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F8 #F0F8FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DBEE #DBEEFF | Light backgroundsTable row hoverSkeleton loading |
| 200 | BDDF #BDDFFF | Secondary backgroundsInput backgroundsDividers |
| 300 | 8AC6 #8AC6FF | BordersInactive statesPlaceholder text |
| 400 | 4DA9 #4DA9FF | Disabled statesSecondary iconsMuted text |
| 500 | 1A90 #1A90FF | Primary brand colorCTAsActive elementsLinks |
| 600 | 0074 #0074E0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 005C #005CB3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0042 #004280 | Text on light backgroundsHeadingsStrong borders |
| 900 | 002A #002A52 | Primary textHigh emphasis contentDark headings |
| 950 | 001A #001A33 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F8FF;
--cobalt-100: #DBEEFF;
--cobalt-200: #BDDFFF;
--cobalt-300: #8AC6FF;
--cobalt-400: #4DA9FF;
--cobalt-500: #1A90FF;
--cobalt-600: #0074E0;
--cobalt-700: #005CB3;
--cobalt-800: #004280;
--cobalt-900: #002A52;
--cobalt-950: #001A33;
}