Cobalt
#18399A
BlueColor Codes
All color formats for development
HEX
#18399ARGB
rgb(24, 57, 154)HSL
hsl(225, 73%, 35%)OKLCH
oklch(0.389 0.163 265)CMYK
cmyk(84%, 63%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#16338B
2#132D7C
3#11286C
4#0E225D
5#0C1C4D
6#0A173E
7#07112E
8#050B1F
9#02060F
Tints
Lighter variations
1#1D43B7
2#214ED4
3#3661E0
4#5377E4
5#708EE9
6#8CA5ED
7#A9BBF2
8#C6D2F6
9#E2E8FB
Tones
Muted variations
1#1F3C94
2#253F8D
3#2C4287
4#324680
5#39497A
6#3F4C73
7#464F6D
8#4C5366
9#535660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E7 #E0E7FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6D2 #C6D2F6 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9AAF #9AAFEF | BordersInactive statesPlaceholder text |
| 400 | 6585 #6585E7 | Disabled statesSecondary iconsMuted text |
| 500 | 3862 #3862E0 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1E47 #1E47C2 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1839 #18399A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1128 #11286E | Text on light backgroundsHeadingsStrong borders |
| 900 | 0B1A #0B1A47 | Primary textHigh emphasis contentDark headings |
| 950 | 0710 #07102C | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E7FA;
--cobalt-200: #C6D2F6;
--cobalt-300: #9AAFEF;
--cobalt-400: #6585E7;
--cobalt-500: #3862E0;
--cobalt-600: #1E47C2;
--cobalt-700: #18399A;
--cobalt-800: #11286E;
--cobalt-900: #0B1A47;
--cobalt-950: #07102C;
}