Cobalt
#155ECB
BlueColor Codes
All color formats for development
HEX
#155ECBRGB
rgb(21, 94, 203)HSL
hsl(216, 81%, 44%)OKLCH
oklch(0.507 0.183 259.4)CMYK
cmyk(90%, 54%, 0%, 20%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1355B7
2#114BA2
3#0F428E
4#0D387A
5#0B2F66
6#092651
7#061C3D
8#041329
9#020914
Tints
Lighter variations
1#186AE5
2#307AE9
3#4A8BEC
4#649BEF
5#7EACF1
6#98BDF4
7#B1CDF7
8#CBDEFA
9#E5EEFC
Tones
Muted variations
1#1E60C2
2#2762B9
3#3163B0
4#3A65A7
5#43679E
6#4C6995
7#556B8B
8#5E6D82
9#676E79
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F6 #F1F6FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFEA #DFEAFC | Light backgroundsTable row hoverSkeleton loading |
| 200 | C3D8 #C3D8F9 | Secondary backgroundsInput backgroundsDividers |
| 300 | 95BB #95BBF4 | BordersInactive statesPlaceholder text |
| 400 | 5D97 #5D97EE | Disabled statesSecondary iconsMuted text |
| 500 | 2F7A #2F7AE9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 155E #155ECB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 114B #114BA2 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0C35 #0C3573 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0822 #08224A | Primary textHigh emphasis contentDark headings |
| 950 | 0515 #05152E | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F6FE;
--cobalt-100: #DFEAFC;
--cobalt-200: #C3D8F9;
--cobalt-300: #95BBF4;
--cobalt-400: #5D97EE;
--cobalt-500: #2F7AE9;
--cobalt-600: #155ECB;
--cobalt-700: #114BA2;
--cobalt-800: #0C3573;
--cobalt-900: #08224A;
--cobalt-950: #05152E;
}