Cobalt
#15409D
BlueColor Codes
All color formats for development
HEX
#15409DRGB
rgb(21, 64, 157)HSL
hsl(221, 76%, 35%)OKLCH
oklch(0.405 0.159 262.8)CMYK
cmyk(87%, 59%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#133A8D
2#11347E
3#0F2D6E
4#0D275E
5#0B204F
6#091A3F
7#06132F
8#040D1F
9#020610
Tints
Lighter variations
1#194CBA
2#1D58D7
3#336BE3
4#5080E7
5#6D95EB
6#8AAAEF
7#A7BFF3
8#C5D5F7
9#E2EAFB
Tones
Muted variations
1#1C4396
2#234590
3#2A4889
4#314A82
5#374D7B
6#3E4F74
7#45526E
8#4C5467
9#525760
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E8 #E0E8FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5D5 #C5D5F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98B4 #98B4F1 | BordersInactive statesPlaceholder text |
| 400 | 628D #628DEA | Disabled statesSecondary iconsMuted text |
| 500 | 356C #356CE3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B51 #1B51C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1540 #15409D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F2E #0F2E70 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A1D #0A1D48 | Primary textHigh emphasis contentDark headings |
| 950 | 0612 #06122D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E8FB;
--cobalt-200: #C5D5F7;
--cobalt-300: #98B4F1;
--cobalt-400: #628DEA;
--cobalt-500: #356CE3;
--cobalt-600: #1B51C5;
--cobalt-700: #15409D;
--cobalt-800: #0F2E70;
--cobalt-900: #0A1D48;
--cobalt-950: #06122D;
}