Cobalt
#1B3A98
BlueColor Codes
All color formats for development
HEX
#1B3A98RGB
rgb(27, 58, 152)HSL
hsl(225, 70%, 35%)OKLCH
oklch(0.39 0.158 265.4)CMYK
cmyk(82%, 62%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#183489
2#152E79
3#13296A
4#10235B
5#0D1D4C
6#0B173D
7#08112E
8#050C1E
9#03060F
Tints
Lighter variations
1#2045B4
2#2550D0
3#3A62DC
4#5679E1
5#728FE6
6#8EA5EB
7#AABCF0
8#C7D2F5
9#E3E9FA
Tones
Muted variations
1#213D91
2#27408B
3#2E4385
4#34477F
5#3A4A78
6#404D72
7#47506C
8#4D5366
9#53565F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E7 #E1E7FA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7D2 #C7D2F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BB0 #9BB0ED | BordersInactive statesPlaceholder text |
| 400 | 6787 #6787E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C64 #3C64DD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2249 #2249BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B3A #1B3A98 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1329 #13296C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C1B #0C1B45 | Primary textHigh emphasis contentDark headings |
| 950 | 0811 #08112B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E1E7FA;
--cobalt-200: #C7D2F5;
--cobalt-300: #9BB0ED;
--cobalt-400: #6787E4;
--cobalt-500: #3C64DD;
--cobalt-600: #2249BF;
--cobalt-700: #1B3A98;
--cobalt-800: #13296C;
--cobalt-900: #0C1B45;
--cobalt-950: #08112B;
}