Cobalt
#255FBB
BlueColor Codes
All color formats for development
HEX
#255FBBRGB
rgb(37, 95, 187)HSL
hsl(217, 67%, 44%)OKLCH
oklch(0.5 0.157 259.5)CMYK
cmyk(80%, 49%, 0%, 27%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2155A9
2#1E4C96
3#1A4283
4#163970
5#132F5E
6#0F264B
7#0B1C38
8#071325
9#040913
Tints
Lighter variations
1#2A6BD3
2#407BD9
3#588BDE
4#709CE3
5#88ACE7
6#A0BDEC
7#B7CDF1
8#CFDEF6
9#E7EEFA
Tones
Muted variations
1#2D60B4
2#3462AC
3#3C64A5
4#43669D
5#4B6796
6#52698E
7#5A6B87
8#616D7F
9#696E78
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F6 #F2F6FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1EA #E1EAF9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8D9 #C8D9F4 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9DBB #9DBBEC | BordersInactive statesPlaceholder text |
| 400 | 6A98 #6A98E2 | Disabled statesSecondary iconsMuted text |
| 500 | 3F7A #3F7AD9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 255F #255FBB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1D4B #1D4B95 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1536 #15366A | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D22 #0D2244 | Primary textHigh emphasis contentDark headings |
| 950 | 0816 #08162B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F6FC;
--cobalt-100: #E1EAF9;
--cobalt-200: #C8D9F4;
--cobalt-300: #9DBBEC;
--cobalt-400: #6A98E2;
--cobalt-500: #3F7AD9;
--cobalt-600: #255FBB;
--cobalt-700: #1D4B95;
--cobalt-800: #15366A;
--cobalt-900: #0D2244;
--cobalt-950: #08162B;
}