Cobalt
#18309A
BlueColor Codes
All color formats for development
HEX
#18309ARGB
rgb(24, 48, 154)HSL
hsl(229, 73%, 35%)OKLCH
oklch(0.372 0.174 266.8)CMYK
cmyk(84%, 69%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#162B8B
2#13267C
3#11226C
4#0E1D5D
5#0C184D
6#0A133E
7#070E2E
8#050A1F
9#02050F
Tints
Lighter variations
1#1D39B7
2#2142D4
3#3655E0
4#536EE4
5#7086E9
6#8C9EED
7#A9B6F2
8#C6CFF6
9#E2E7FB
Tones
Muted variations
1#1F3494
2#25388D
3#2C3C87
4#324080
5#39457A
6#3F4973
7#464D6D
8#4C5166
9#535560
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E5 #E0E5FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6CF #C6CFF6 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9AA9 #9AA9EF | BordersInactive statesPlaceholder text |
| 400 | 657C #657CE7 | Disabled statesSecondary iconsMuted text |
| 500 | 3857 #3857E0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1E3C #1E3CC2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1830 #18309A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1122 #11226E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0B16 #0B1647 | Primary textHigh emphasis contentDark headings |
| 950 | 070E #070E2C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E5FA;
--cobalt-200: #C6CFF6;
--cobalt-300: #9AA9EF;
--cobalt-400: #657CE7;
--cobalt-500: #3857E0;
--cobalt-600: #1E3CC2;
--cobalt-700: #18309A;
--cobalt-800: #11226E;
--cobalt-900: #0B1647;
--cobalt-950: #070E2C;
}