Cobalt
#284CB8
BlueColor Codes
All color formats for development
HEX
#284CB8RGB
rgb(40, 76, 184)HSL
hsl(225, 64%, 44%)OKLCH
oklch(0.459 0.176 265.7)CMYK
cmyk(78%, 59%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2445A6
2#203D93
3#1C3581
4#182E6E
5#14265C
6#101F4A
7#0C1737
8#080F25
9#040812
Tints
Lighter variations
1#2E56CF
2#4468D6
3#5B7BDB
4#728EE0
5#8AA1E5
6#A1B4EA
7#B9C6F0
8#D0D9F5
9#E8ECFA
Tones
Muted variations
1#3050B1
2#3753AA
3#3E57A2
4#455B9B
5#4C5E94
6#53628D
7#5B6586
8#62697F
9#696D77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E7 #E2E7F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C9D3 #C9D3F3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9FB2 #9FB2EA | BordersInactive statesPlaceholder text |
| 400 | 6D89 #6D89DF | Disabled statesSecondary iconsMuted text |
| 500 | 4368 #4368D6 | Primary brand colorCTAsActive elementsLinks |
| 600 | 284C #284CB8 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 203D #203D92 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 172B #172B69 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F1C #0F1C43 | Primary textHigh emphasis contentDark headings |
| 950 | 0911 #09112A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FC;
--cobalt-100: #E2E7F9;
--cobalt-200: #C9D3F3;
--cobalt-300: #9FB2EA;
--cobalt-400: #6D89DF;
--cobalt-500: #4368D6;
--cobalt-600: #284CB8;
--cobalt-700: #203D92;
--cobalt-800: #172B69;
--cobalt-900: #0F1C43;
--cobalt-950: #09112A;
}