Cobalt
#155BCB
BlueColor Codes
All color formats for development
HEX
#155BCBRGB
rgb(21, 91, 203)HSL
hsl(217, 81%, 44%)OKLCH
oklch(0.5 0.187 260.2)CMYK
cmyk(90%, 55%, 0%, 20%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1352B7
2#1149A2
3#0F408E
4#0D377A
5#0B2D66
6#092451
7#061B3D
8#041229
9#020914
Tints
Lighter variations
1#1867E5
2#3077E9
3#4A88EC
4#6499EF
5#7EAAF1
6#98BBF4
7#B1CCF7
8#CBDDFA
9#E5EEFC
Tones
Muted variations
1#1E5DC2
2#275FB9
3#3161B0
4#3A63A7
5#43669E
6#4C6895
7#556A8B
8#5E6C82
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 | 95B9 #95B9F4 | BordersInactive statesPlaceholder text |
| 400 | 5D95 #5D95EE | Disabled statesSecondary iconsMuted text |
| 500 | 2F77 #2F77E9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 155B #155BCB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1148 #1148A2 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0C34 #0C3473 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0821 #08214A | 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: #95B9F4;
--cobalt-400: #5D95EE;
--cobalt-500: #2F77E9;
--cobalt-600: #155BCB;
--cobalt-700: #1148A2;
--cobalt-800: #0C3473;
--cobalt-900: #08214A;
--cobalt-950: #05152E;
}