Cobalt
#042CAF
BlueColor Codes
All color formats for development
HEX
#042CAFRGB
rgb(4, 44, 175)HSL
hsl(226, 96%, 35%)OKLCH
oklch(0.383 0.208 264.1)CMYK
cmyk(98%, 75%, 0%, 31%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#03279D
2#03238C
3#021E7A
4#021A69
5#021657
6#011146
7#010D34
8#010923
9#000411
Tints
Lighter variations
1#0434CF
2#053CF0
3#1C50FA
4#3C69FB
5#5D82FC
6#7D9BFC
7#9EB4FD
8#BECDFE
9#DFE6FE
Tones
Muted variations
1#0C30A6
2#15359E
3#1D3995
4#263E8D
5#2E4284
6#37477C
7#404C73
8#48506A
9#515562
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F3 #F0F3FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DCE4 #DCE4FE | Light backgroundsTable row hoverSkeleton loading |
| 200 | BECD #BECDFE | Secondary backgroundsInput backgroundsDividers |
| 300 | 8CA6 #8CA6FD | BordersInactive statesPlaceholder text |
| 400 | 5078 #5078FB | Disabled statesSecondary iconsMuted text |
| 500 | 1E51 #1E51FA | Primary brand colorCTAsActive elementsLinks |
| 600 | 0437 #0437DC | Hover statesFocus ringsPrimary buttons hover |
| 700 | 042C #042CAF | Active/pressed statesDark mode accentsSecondary text |
| 800 | 031F #031F7D | Text on light backgroundsHeadingsStrong borders |
| 900 | 0214 #021450 | Primary textHigh emphasis contentDark headings |
| 950 | 010C #010C32 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F3FF;
--cobalt-100: #DCE4FE;
--cobalt-200: #BECDFE;
--cobalt-300: #8CA6FD;
--cobalt-400: #5078FB;
--cobalt-500: #1E51FA;
--cobalt-600: #0437DC;
--cobalt-700: #042CAF;
--cobalt-800: #031F7D;
--cobalt-900: #021450;
--cobalt-950: #010C32;
}