Cobalt
#2837B8
BlueColor Codes
All color formats for development
HEX
#2837B8RGB
rgb(40, 55, 184)HSL
hsl(234, 64%, 44%)OKLCH
oklch(0.421 0.2 269.6)CMYK
cmyk(78%, 70%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2431A6
2#202C93
3#1C2681
4#18216E
5#141B5C
6#10164A
7#0C1037
8#080B25
9#040512
Tints
Lighter variations
1#2E3ECF
2#4452D6
3#5B68DB
4#727DE0
5#8A93E5
6#A1A9EA
7#B9BEF0
8#D0D4F5
9#E8E9FA
Tones
Muted variations
1#303CB1
2#3742AA
3#3E48A2
4#454E9B
5#4C5394
6#53598D
7#5B5F86
8#62657F
9#696A77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F3 #F2F3FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E4 #E2E4F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C9CD #C9CDF3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9FA6 #9FA6EA | BordersInactive statesPlaceholder text |
| 400 | 6D78 #6D78DF | Disabled statesSecondary iconsMuted text |
| 500 | 4351 #4351D6 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2837 #2837B8 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 202C #202C92 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 171F #171F69 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F14 #0F1443 | Primary textHigh emphasis contentDark headings |
| 950 | 090C #090C2A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F3FC;
--cobalt-100: #E2E4F9;
--cobalt-200: #C9CDF3;
--cobalt-300: #9FA6EA;
--cobalt-400: #6D78DF;
--cobalt-500: #4351D6;
--cobalt-600: #2837B8;
--cobalt-700: #202C92;
--cobalt-800: #171F69;
--cobalt-900: #0F1443;
--cobalt-950: #090C2A;
}