Cobalt
#1B21C5
BlueColor Codes
All color formats for development
HEX
#1B21C5RGB
rgb(27, 33, 197)HSL
hsl(238, 76%, 44%)OKLCH
oklch(0.401 0.238 267.7)CMYK
cmyk(86%, 83%, 0%, 23%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#181DB2
2#161A9E
3#13178A
4#101476
5#0D1063
6#0B0D4F
7#080A3B
8#050727
9#030314
Tints
Lighter variations
1#1E25DF
2#363CE4
3#4F54E7
4#686DEA
5#8185EE
6#9A9DF1
7#B4B6F5
8#CDCEF8
9#E6E7FC
Tones
Muted variations
1#2329BD
2#2C31B4
3#3538AC
4#3D40A3
5#46489B
6#4E5092
7#57588A
8#5F6081
9#686879
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F2 #F2F2FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E0 #E0E0FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5C6 #C5C6F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 989B #989BF1 | BordersInactive statesPlaceholder text |
| 400 | 6266 #6266EA | Disabled statesSecondary iconsMuted text |
| 500 | 353B #353BE3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B21 #1B21C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 151A #151A9D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F13 #0F1370 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A0C #0A0C48 | Primary textHigh emphasis contentDark headings |
| 950 | 0607 #06072D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F2FD;
--cobalt-100: #E0E0FB;
--cobalt-200: #C5C6F7;
--cobalt-300: #989BF1;
--cobalt-400: #6266EA;
--cobalt-500: #353BE3;
--cobalt-600: #1B21C5;
--cobalt-700: #151A9D;
--cobalt-800: #0F1370;
--cobalt-900: #0A0C48;
--cobalt-950: #06072D;
}