Cobalt
#0F28A3
BlueColor Codes
All color formats for development
HEX
#0F28A3RGB
rgb(15, 40, 163)HSL
hsl(230, 83%, 35%)OKLCH
oklch(0.366 0.196 265.8)CMYK
cmyk(91%, 75%, 0%, 36%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0E2493
2#0C2083
3#0B1C72
4#091862
5#081452
6#061041
7#050C31
8#030821
9#020410
Tints
Lighter variations
1#122FC2
2#1537E0
3#2B4BEB
4#4965EE
5#677EF1
6#8698F4
7#A4B2F7
8#C2CCF9
9#E1E5FC
Tones
Muted variations
1#172D9C
2#1E3295
3#25378D
4#2D3C86
5#34417E
6#3C4577
7#434A6F
8#4A4F68
9#525461
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F3 #F1F3FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DEE3 #DEE3FC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C2CC #C2CCF9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 94A4 #94A4F5 | BordersInactive statesPlaceholder text |
| 400 | 5C74 #5C74F0 | Disabled statesSecondary iconsMuted text |
| 500 | 2D4D #2D4DEB | Primary brand colorCTAsActive elementsLinks |
| 600 | 1332 #1332CD | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0F28 #0F28A3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0B1C #0B1C75 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0712 #07124B | Primary textHigh emphasis contentDark headings |
| 950 | 040B #040B2F | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F3FE;
--cobalt-100: #DEE3FC;
--cobalt-200: #C2CCF9;
--cobalt-300: #94A4F5;
--cobalt-400: #5C74F0;
--cobalt-500: #2D4DEB;
--cobalt-600: #1332CD;
--cobalt-700: #0F28A3;
--cobalt-800: #0B1C75;
--cobalt-900: #07124B;
--cobalt-950: #040B2F;
}