Cobalt
#1B40C5
BlueColor Codes
All color formats for development
HEX
#1B40C5RGB
rgb(27, 64, 197)HSL
hsl(227, 76%, 44%)OKLCH
oklch(0.445 0.21 265.5)CMYK
cmyk(86%, 68%, 0%, 23%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1839B2
2#16339E
3#132D8A
4#102676
5#0D2063
6#0B1A4F
7#08133B
8#050D27
9#030614
Tints
Lighter variations
1#1E48DF
2#365CE4
3#4F70E7
4#6884EA
5#8199EE
6#9AADF1
7#B4C2F5
8#CDD6F8
9#E6EBFC
Tones
Muted variations
1#2345BD
2#2C4AB4
3#354EAC
4#3D53A3
5#46589B
6#4E5D92
7#57628A
8#5F6781
9#686B79
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E5 #E0E5FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5D0 #C5D0F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98AB #98ABF1 | BordersInactive statesPlaceholder text |
| 400 | 627F #627FEA | Disabled statesSecondary iconsMuted text |
| 500 | 355B #355BE3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B40 #1B40C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1533 #15339D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F24 #0F2470 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A17 #0A1748 | Primary textHigh emphasis contentDark headings |
| 950 | 060F #060F2D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E5FB;
--cobalt-200: #C5D0F7;
--cobalt-300: #98ABF1;
--cobalt-400: #627FEA;
--cobalt-500: #355BE3;
--cobalt-600: #1B40C5;
--cobalt-700: #15339D;
--cobalt-800: #0F2470;
--cobalt-900: #0A1748;
--cobalt-950: #060F2D;
}