Cobalt
#2543BB
BlueColor Codes
All color formats for development
HEX
#2543BBRGB
rgb(37, 67, 187)HSL
hsl(228, 67%, 44%)OKLCH
oklch(0.444 0.191 266.9)CMYK
cmyk(80%, 64%, 0%, 27%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#213CA9
2#1E3696
3#1A2F83
4#162870
5#13225E
6#0F1B4B
7#0B1438
8#070D25
9#040713
Tints
Lighter variations
1#2A4CD3
2#405FD9
3#5873DE
4#7087E3
5#889BE7
6#A0AFEC
7#B7C3F1
8#CFD7F6
9#E7EBFA
Tones
Muted variations
1#2D48B4
2#344CAC
3#3C51A5
4#43559D
5#4B5A96
6#525E8E
7#5A6387
8#61677F
9#696C78
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E6 #E1E6F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8D1 #C8D1F4 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9DAD #9DADEC | BordersInactive statesPlaceholder text |
| 400 | 6A82 #6A82E2 | Disabled statesSecondary iconsMuted text |
| 500 | 3F5E #3F5ED9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2543 #2543BB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1D35 #1D3595 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1526 #15266A | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D18 #0D1844 | Primary textHigh emphasis contentDark headings |
| 950 | 080F #080F2B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FC;
--cobalt-100: #E1E6F9;
--cobalt-200: #C8D1F4;
--cobalt-300: #9DADEC;
--cobalt-400: #6A82E2;
--cobalt-500: #3F5ED9;
--cobalt-600: #2543BB;
--cobalt-700: #1D3595;
--cobalt-800: #15266A;
--cobalt-900: #0D1844;
--cobalt-950: #080F2B;
}