Cobalt
#1B5398
BlueColor Codes
All color formats for development
HEX
#1B5398RGB
rgb(27, 83, 152)HSL
hsl(213, 70%, 35%)OKLCH
oklch(0.445 0.127 255.9)CMYK
cmyk(82%, 45%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#184B89
2#154279
3#133A6A
4#10325B
5#0D2A4C
6#0B213D
7#08192E
8#05111E
9#03080F
Tints
Lighter variations
1#2062B4
2#2572D0
3#3A83DC
4#5695E1
5#72A6E6
6#8EB8EB
7#AACAF0
8#C7DCF5
9#E3EDFA
Tones
Muted variations
1#215491
2#27548B
3#2E5585
4#34567F
5#3A5678
6#405772
7#47576C
8#4D5866
9#53595F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F7 #F2F7FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1EC #E1ECFA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7DC #C7DCF5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BC0 #9BC0ED | BordersInactive statesPlaceholder text |
| 400 | 67A0 #67A0E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C84 #3C84DD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2268 #2268BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B53 #1B5398 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 133B #133B6C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C26 #0C2645 | Primary textHigh emphasis contentDark headings |
| 950 | 0818 #08182B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F7FD;
--cobalt-100: #E1ECFA;
--cobalt-200: #C7DCF5;
--cobalt-300: #9BC0ED;
--cobalt-400: #67A0E4;
--cobalt-500: #3C84DD;
--cobalt-600: #2268BF;
--cobalt-700: #1B5398;
--cobalt-800: #133B6C;
--cobalt-900: #0C2645;
--cobalt-950: #08182B;
}