Cobalt
#0F43A3
BlueColor Codes
All color formats for development
HEX
#0F43A3RGB
rgb(15, 67, 163)HSL
hsl(219, 83%, 35%)OKLCH
oklch(0.415 0.164 261.5)CMYK
cmyk(91%, 59%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0E3C93
2#0C3683
3#0B2F72
4#092862
5#082252
6#061B41
7#051431
8#030D21
9#020710
Tints
Lighter variations
1#124FC2
2#155CE0
3#2B6EEB
4#4983EE
5#6797F1
6#86ACF4
7#A4C1F7
8#C2D6F9
9#E1EAFC
Tones
Muted variations
1#17459C
2#1E4795
3#254A8D
4#2D4C86
5#344E7E
6#3C5077
7#43536F
8#4A5568
9#525761
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F5 #F1F5FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DEE9 #DEE9FC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C2D6 #C2D6F9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94B6 #94B6F5 | BordersInactive statesPlaceholder text |
| 400 | 5C90 #5C90F0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D70 #2D70EB | Primary brand colorCTAsActive elementsLinks |
| 600 | 1354 #1354CD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F43 #0F43A3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B30 #0B3075 | Text on light backgroundsHeadingsStrong borders |
| 900 | 071F #071F4B | Primary textHigh emphasis contentDark headings |
| 950 | 0413 #04132F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F5FE;
--cobalt-100: #DEE9FC;
--cobalt-200: #C2D6F9;
--cobalt-300: #94B6F5;
--cobalt-400: #5C90F0;
--cobalt-500: #2D70EB;
--cobalt-600: #1354CD;
--cobalt-700: #0F43A3;
--cobalt-800: #0B3075;
--cobalt-900: #071F4B;
--cobalt-950: #04132F;
}