Cobalt
#123AA1
BlueColor Codes
All color formats for development
HEX
#123AA1RGB
rgb(18, 58, 161)HSL
hsl(223, 80%, 35%)OKLCH
oklch(0.396 0.172 263.9)CMYK
cmyk(89%, 64%, 0%, 37%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#103491
2#0E2F81
3#0C2970
4#0B2360
5#091D50
6#071740
7#051130
8#040C20
9#020610
Tints
Lighter variations
1#1545BE
2#1850DC
3#2E63E8
4#4C79EB
5#6A8FEE
6#88A6F2
7#A5BCF5
8#C3D2F8
9#E1E9FC
Tones
Muted variations
1#193D9A
2#204092
3#27448B
4#2E4784
5#364A7D
6#3D4D76
7#44506F
8#4B5368
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 | C3D2 #C3D2F8 | Secondary backgroundsInput backgroundsDividers |
| 300 | 95B0 #95B0F3 | BordersInactive statesPlaceholder text |
| 400 | 5E87 #5E87ED | Disabled statesSecondary iconsMuted text |
| 500 | 3064 #3064E8 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1649 #1649CA | Hover statesFocus ringsPrimary buttons hover |
| 700 | 123A #123AA1 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0D2A #0D2A73 | Text on light backgroundsHeadingsStrong borders |
| 900 | 081B #081B49 | Primary textHigh emphasis contentDark headings |
| 950 | 0511 #05112E | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F5FD;
--cobalt-100: #DFE7FB;
--cobalt-200: #C3D2F8;
--cobalt-300: #95B0F3;
--cobalt-400: #5E87ED;
--cobalt-500: #3064E8;
--cobalt-600: #1649CA;
--cobalt-700: #123AA1;
--cobalt-800: #0D2A73;
--cobalt-900: #081B49;
--cobalt-950: #05112E;
}