Cobalt
#1A3799
BlueColor Codes
All color formats for development
HEX
#1A3799RGB
rgb(26, 55, 153)HSL
hsl(226, 71%, 35%)OKLCH
oklch(0.385 0.163 265.9)CMYK
cmyk(83%, 64%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#173289
2#152C7A
3#12276B
4#10215C
5#0D1C4C
6#0A163D
7#08112E
8#050B1F
9#03060F
Tints
Lighter variations
1#1F42B5
2#234CD1
3#395FDD
4#5576E2
5#718DE7
6#8EA4EC
7#AABAF1
8#C6D1F5
9#E3E8FA
Tones
Muted variations
1#203B92
2#273E8C
3#2D4286
4#33457F
5#3A4879
6#404C73
7#464F6C
8#4D5266
9#535660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E6 #E0E6FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C6D1 #C6D1F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BAE #9BAEEE | BordersInactive statesPlaceholder text |
| 400 | 6684 #6684E5 | Disabled statesSecondary iconsMuted text |
| 500 | 3B61 #3B61DE | Primary brand colorCTAsActive elementsLinks |
| 600 | 2146 #2146C0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1A37 #1A3799 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1228 #12286D | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C19 #0C1946 | 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: #F2F4FD;
--cobalt-100: #E0E6FA;
--cobalt-200: #C6D1F5;
--cobalt-300: #9BAEEE;
--cobalt-400: #6684E5;
--cobalt-500: #3B61DE;
--cobalt-600: #2146C0;
--cobalt-700: #1A3799;
--cobalt-800: #12286D;
--cobalt-900: #0C1946;
--cobalt-950: #07102C;
}