Cobalt
#155E9D
BlueColor Codes
All color formats for development
HEX
#155E9DRGB
rgb(21, 94, 157)HSL
hsl(208, 76%, 35%)OKLCH
oklch(0.473 0.122 250)CMYK
cmyk(87%, 40%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#13548D
2#114B7E
3#0F426E
4#0D385E
5#0B2F4F
6#09263F
7#061C2F
8#04131F
9#020910
Tints
Lighter variations
1#196FBA
2#1D81D7
3#3391E3
4#50A1E7
5#6DB0EB
6#8AC0EF
7#A7D0F3
8#C5E0F7
9#E2EFFB
Tones
Muted variations
1#1C5D96
2#235D90
3#2A5C89
4#315C82
5#375C7B
6#3E5B74
7#455B6E
8#4C5A67
9#525A60
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F8 #F2F8FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0EE #E0EEFB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5E0 #C5E0F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98C7 #98C7F1 | BordersInactive statesPlaceholder text |
| 400 | 62AA #62AAEA | Disabled statesSecondary iconsMuted text |
| 500 | 3592 #3592E3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B76 #1B76C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 155E #155E9D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F43 #0F4370 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A2B #0A2B48 | Primary textHigh emphasis contentDark headings |
| 950 | 061B #061B2D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F8FD;
--cobalt-100: #E0EEFB;
--cobalt-200: #C5E0F7;
--cobalt-300: #98C7F1;
--cobalt-400: #62AAEA;
--cobalt-500: #3592E3;
--cobalt-600: #1B76C5;
--cobalt-700: #155E9D;
--cobalt-800: #0F4370;
--cobalt-900: #0A2B48;
--cobalt-950: #061B2D;
}