Cobalt
#0437DC
BlueColor Codes
All color formats for development
HEX
#0437DCRGB
rgb(4, 55, 220)HSL
hsl(226, 96%, 44%)OKLCH
oklch(0.45 0.249 264.1)CMYK
cmyk(98%, 75%, 0%, 14%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0431C6
2#042CB0
3#03269A
4#032184
5#021B6E
6#021658
7#011042
8#010B2C
9#000516
Tints
Lighter variations
1#053EF8
2#1F52FA
3#3B68FB
4#577DFC
5#7393FC
6#8FA9FD
7#ABBEFD
8#C7D4FE
9#E3E9FE
Tones
Muted variations
1#0F3CD1
2#1A42C6
3#2548BC
4#304EB1
5#3A53A6
6#45599B
7#505F91
8#5B6586
9#656A7B
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;
}