Cobalt
#153C9D
BlueColor Codes
All color formats for development
HEX
#153C9DRGB
rgb(21, 60, 157)HSL
hsl(223, 76%, 35%)OKLCH
oklch(0.397 0.164 263.8)CMYK
cmyk(87%, 62%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#13368D
2#11307E
3#0F2A6E
4#0D245E
5#0B1E4F
6#09183F
7#06122F
8#040C1F
9#020610
Tints
Lighter variations
1#1947BA
2#1D52D7
3#3365E3
4#507BE7
5#6D91EB
6#8AA7EF
7#A7BDF3
8#C5D3F7
9#E2E9FB
Tones
Muted variations
1#1C3F96
2#234290
3#2A4589
4#314882
5#374B7B
6#3E4D74
7#45506E
8#4C5367
9#525660
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E7 #E0E7FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5D3 #C5D3F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98B1 #98B1F1 | BordersInactive statesPlaceholder text |
| 400 | 6288 #6288EA | Disabled statesSecondary iconsMuted text |
| 500 | 3566 #3566E3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B4B #1B4BC5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 153C #153C9D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F2B #0F2B70 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A1B #0A1B48 | Primary textHigh emphasis contentDark headings |
| 950 | 0611 #06112D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E7FB;
--cobalt-200: #C5D3F7;
--cobalt-300: #98B1F1;
--cobalt-400: #6288EA;
--cobalt-500: #3566E3;
--cobalt-600: #1B4BC5;
--cobalt-700: #153C9D;
--cobalt-800: #0F2B70;
--cobalt-900: #0A1B48;
--cobalt-950: #06112D;
}