Cobalt
#15339D
BlueColor Codes
All color formats for development
HEX
#15339DRGB
rgb(21, 51, 157)HSL
hsl(227, 76%, 35%)OKLCH
oklch(0.38 0.175 265.6)CMYK
cmyk(87%, 68%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#132E8D
2#11297E
3#0F246E
4#0D1E5E
5#0B194F
6#09143F
7#060F2F
8#040A1F
9#020510
Tints
Lighter variations
1#193CBA
2#1D46D7
3#3359E3
4#5071E7
5#6D88EB
6#8AA0EF
7#A7B8F3
8#C5D0F7
9#E2E7FB
Tones
Muted variations
1#1C3796
2#233B90
3#2A3E89
4#314282
5#37467B
6#3E4A74
7#454E6E
8#4C5267
9#525560
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E5 #E0E5FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5D0 #C5D0F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98AB #98ABF1 | BordersInactive statesPlaceholder text |
| 400 | 627F #627FEA | Disabled statesSecondary iconsMuted text |
| 500 | 355B #355BE3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B40 #1B40C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1533 #15339D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F24 #0F2470 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A17 #0A1748 | Primary textHigh emphasis contentDark headings |
| 950 | 060F #060F2D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E5FB;
--cobalt-200: #C5D0F7;
--cobalt-300: #98ABF1;
--cobalt-400: #627FEA;
--cobalt-500: #355BE3;
--cobalt-600: #1B40C5;
--cobalt-700: #15339D;
--cobalt-800: #0F2470;
--cobalt-900: #0A1748;
--cobalt-950: #060F2D;
}