Cobalt
#15379D
BlueColor Codes
All color formats for development
HEX
#15379DRGB
rgb(21, 55, 157)HSL
hsl(225, 76%, 35%)OKLCH
oklch(0.387 0.17 264.9)CMYK
cmyk(87%, 65%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#13328D
2#112C7E
3#0F276E
4#0D215E
5#0B1C4F
6#09163F
7#06112F
8#040B1F
9#020610
Tints
Lighter variations
1#1942BA
2#1D4CD7
3#335FE3
4#5076E7
5#6D8DEB
6#8AA4EF
7#A7BAF3
8#C5D1F7
9#E2E8FB
Tones
Muted variations
1#1C3B96
2#233E90
3#2A4289
4#314582
5#37487B
6#3E4C74
7#454F6E
8#4C5267
9#525660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E6 #E0E6FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5D1 #C5D1F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98AE #98AEF1 | BordersInactive statesPlaceholder text |
| 400 | 6284 #6284EA | Disabled statesSecondary iconsMuted text |
| 500 | 3561 #3561E3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B46 #1B46C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1537 #15379D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F28 #0F2870 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A19 #0A1948 | Primary textHigh emphasis contentDark headings |
| 950 | 0610 #06102D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E6FB;
--cobalt-200: #C5D1F7;
--cobalt-300: #98AEF1;
--cobalt-400: #6284EA;
--cobalt-500: #3561E3;
--cobalt-600: #1B46C5;
--cobalt-700: #15379D;
--cobalt-800: #0F2870;
--cobalt-900: #0A1948;
--cobalt-950: #06102D;
}