Cobalt
#1B3AC5
BlueColor Codes
All color formats for development
HEX
#1B3AC5RGB
rgb(27, 58, 197)HSL
hsl(229, 76%, 44%)OKLCH
oklch(0.435 0.216 266.2)CMYK
cmyk(86%, 71%, 0%, 23%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1834B2
2#162F9E
3#13298A
4#102376
5#0D1D63
6#0B174F
7#08113B
8#050C27
9#030614
Tints
Lighter variations
1#1E42DF
2#3656E4
3#4F6BE7
4#6880EA
5#8195EE
6#9AAAF1
7#B4C0F5
8#CDD5F8
9#E6EAFC
Tones
Muted variations
1#2340BD
2#2C45B4
3#354AAC
4#3D50A3
5#46559B
6#4E5B92
7#57608A
8#5F6581
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 | C5CE #C5CEF7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98A8 #98A8F1 | BordersInactive statesPlaceholder text |
| 400 | 627B #627BEA | Disabled statesSecondary iconsMuted text |
| 500 | 3555 #3555E3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B3A #1B3AC5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 152E #152E9D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F21 #0F2170 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A15 #0A1548 | Primary textHigh emphasis contentDark headings |
| 950 | 060D #060D2D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E5FB;
--cobalt-200: #C5CEF7;
--cobalt-300: #98A8F1;
--cobalt-400: #627BEA;
--cobalt-500: #3555E3;
--cobalt-600: #1B3AC5;
--cobalt-700: #152E9D;
--cobalt-800: #0F2170;
--cobalt-900: #0A1548;
--cobalt-950: #060D2D;
}