Cobalt
#1B5998
BlueColor Codes
All color formats for development
HEX
#1B5998RGB
rgb(27, 89, 152)HSL
hsl(210, 70%, 35%)OKLCH
oklch(0.459 0.12 252.5)CMYK
cmyk(82%, 41%, 0%, 40%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#185089
2#154779
3#133E6A
4#10365B
5#0D2D4C
6#0B243D
7#081B2E
8#05121E
9#03090F
Tints
Lighter variations
1#206AB4
2#257AD0
3#3A8BDC
4#569CE1
5#72ACE6
6#8EBDEB
7#AACDF0
8#C7DEF5
9#E3EEFA
Tones
Muted variations
1#215991
2#27598B
3#2E5985
4#34597F
5#3A5978
6#405972
7#47596C
8#4D5966
9#53595F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F7 #F2F7FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1ED #E1EDFA | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7DE #C7DEF5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9BC4 #9BC4ED | BordersInactive statesPlaceholder text |
| 400 | 67A6 #67A6E4 | Disabled statesSecondary iconsMuted text |
| 500 | 3C8C #3C8CDD | Primary brand colorCTAsActive elementsLinks |
| 600 | 2270 #2270BF | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1B59 #1B5998 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1340 #13406C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0C29 #0C2945 | Primary textHigh emphasis contentDark headings |
| 950 | 081A #081A2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F7FD;
--cobalt-100: #E1EDFA;
--cobalt-200: #C7DEF5;
--cobalt-300: #9BC4ED;
--cobalt-400: #67A6E4;
--cobalt-500: #3C8CDD;
--cobalt-600: #2270BF;
--cobalt-700: #1B5998;
--cobalt-800: #13406C;
--cobalt-900: #0C2945;
--cobalt-950: #081A2B;
}