Cobalt
#284AB8
BlueColor Codes
All color formats for development
HEX
#284AB8RGB
rgb(40, 74, 184)HSL
hsl(226, 64%, 44%)OKLCH
oklch(0.456 0.178 266.1)CMYK
cmyk(78%, 60%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2443A6
2#203B93
3#1C3481
4#182C6E
5#14255C
6#101E4A
7#0C1637
8#080F25
9#040712
Tints
Lighter variations
1#2E53CF
2#4466D6
3#5B79DB
4#728CE0
5#8A9FE5
6#A1B2EA
7#B9C6F0
8#D0D9F5
9#E8ECFA
Tones
Muted variations
1#304EB1
2#3752AA
3#3E55A2
4#45599B
5#4C5D94
6#53618D
7#5B6586
8#62697F
9#696C77
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 | 9FB0 #9FB0EA | BordersInactive statesPlaceholder text |
| 400 | 6D87 #6D87DF | Disabled statesSecondary iconsMuted text |
| 500 | 4365 #4365D6 | Primary brand colorCTAsActive elementsLinks |
| 600 | 284A #284AB8 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 203B #203B92 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 172A #172A69 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F1B #0F1B43 | 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: #9FB0EA;
--cobalt-400: #6D87DF;
--cobalt-500: #4365D6;
--cobalt-600: #284AB8;
--cobalt-700: #203B92;
--cobalt-800: #172A69;
--cobalt-900: #0F1B43;
--cobalt-950: #09112A;
}