Cobalt
#304AB0
BlueColor Codes
All color formats for development
HEX
#304AB0RGB
rgb(48, 74, 176)HSL
hsl(228, 57%, 44%)OKLCH
oklch(0.452 0.165 268.2)CMYK
cmyk(73%, 58%, 0%, 31%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2B429F
2#273B8D
3#22347B
4#1D2C6A
5#182558
6#131E46
7#0E1635
8#0A0F23
9#050712
Tints
Lighter variations
1#3653C7
2#4C66CE
3#6279D4
4#788CDA
5#8F9FE0
6#A5B2E6
7#BCC6ED
8#D2D9F3
9#E9ECF9
Tones
Muted variations
1#374EAA
2#3D52A3
3#43559D
4#4A5997
5#505D90
6#57618A
7#5D6583
8#63697D
9#6A6C77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F5 #F3F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E7 #E3E7F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CBD3 #CBD3F1 | Secondary backgroundsInput backgroundsDividers |
| 300 | A3B0 #A3B0E6 | BordersInactive statesPlaceholder text |
| 400 | 7387 #7387D9 | Disabled statesSecondary iconsMuted text |
| 500 | 4B65 #4B65CE | Primary brand colorCTAsActive elementsLinks |
| 600 | 304A #304AB0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 263B #263B8C | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1B2A #1B2A64 | Text on light backgroundsHeadingsStrong borders |
| 900 | 121B #121B40 | Primary textHigh emphasis contentDark headings |
| 950 | 0B11 #0B1128 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F5FC;
--cobalt-100: #E3E7F7;
--cobalt-200: #CBD3F1;
--cobalt-300: #A3B0E6;
--cobalt-400: #7387D9;
--cobalt-500: #4B65CE;
--cobalt-600: #304AB0;
--cobalt-700: #263B8C;
--cobalt-800: #1B2A64;
--cobalt-900: #121B40;
--cobalt-950: #0B1128;
}