Cobalt
#155C9E
BlueColor Codes
All color formats for development
HEX
#155C9ERGB
rgb(21, 92, 158)HSL
hsl(209, 77%, 35%)OKLCH
oklch(0.469 0.126 251.5)CMYK
cmyk(87%, 42%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#12528E
2#10497E
3#0E406F
4#0C375F
5#0A2E4F
6#08253F
7#061B2F
8#041220
9#020910
Tints
Lighter variations
1#186DBB
2#1C7ED9
3#328EE4
4#4F9EE8
5#6CAEEC
6#8ABEF0
7#A7CFF4
8#C4DFF7
9#E2EFFB
Tones
Muted variations
1#1B5B97
2#225B90
3#295B89
4#305B82
5#375A7C
6#3E5A75
7#455A6E
8#4C5A67
9#525960
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F1F8 #F1F8FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DFEE #DFEEFB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C4DF #C4DFF7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 97C6 #97C6F2 | BordersInactive statesPlaceholder text |
| 400 | 61A8 #61A8EA | Disabled statesSecondary iconsMuted text |
| 500 | 348F #348FE5 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1A73 #1A73C7 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 155C #155C9E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F41 #0F4171 | Text on light backgroundsHeadingsStrong borders |
| 900 | 092A #092A48 | Primary textHigh emphasis contentDark headings |
| 950 | 061A #061A2D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F1F8FD;
--cobalt-100: #DFEEFB;
--cobalt-200: #C4DFF7;
--cobalt-300: #97C6F2;
--cobalt-400: #61A8EA;
--cobalt-500: #348FE5;
--cobalt-600: #1A73C7;
--cobalt-700: #155C9E;
--cobalt-800: #0F4171;
--cobalt-900: #092A48;
--cobalt-950: #061A2D;
}