Cobalt
#15399E
BlueColor Codes
All color formats for development
HEX
#15399ERGB
rgb(21, 57, 158)HSL
hsl(224, 77%, 35%)OKLCH
oklch(0.392 0.169 264.5)CMYK
cmyk(87%, 64%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#12338E
2#102E7E
3#0E286F
4#0C225F
5#0A1D4F
6#08173F
7#06112F
8#040B20
9#020610
Tints
Lighter variations
1#1844BB
2#1C4ED9
3#3261E4
4#4F78E8
5#6C8EEC
6#8AA5F0
7#A7BBF4
8#C4D2F7
9#E2E8FB
Tones
Muted variations
1#1B3C97
2#224090
3#294389
4#304682
5#37497C
6#3E4C75
7#45506E
8#4C5367
9#525660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F5 #F1F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFE7 #DFE7FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C4D2 #C4D2F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 97AF #97AFF2 | BordersInactive statesPlaceholder text |
| 400 | 6186 #6186EA | Disabled statesSecondary iconsMuted text |
| 500 | 3463 #3463E5 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1A48 #1A48C7 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1539 #15399E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F29 #0F2971 | Text on light backgroundsHeadingsStrong borders |
| 900 | 091A #091A48 | 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: #F1F5FD;
--cobalt-100: #DFE7FB;
--cobalt-200: #C4D2F7;
--cobalt-300: #97AFF2;
--cobalt-400: #6186EA;
--cobalt-500: #3463E5;
--cobalt-600: #1A48C7;
--cobalt-700: #15399E;
--cobalt-800: #0F2971;
--cobalt-900: #091A48;
--cobalt-950: #06102D;
}