Cobalt
#2840B8
BlueColor Codes
All color formats for development
HEX
#2840B8RGB
rgb(40, 64, 184)HSL
hsl(230, 64%, 44%)OKLCH
oklch(0.437 0.19 268.2)CMYK
cmyk(78%, 65%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#243AA6
2#203393
3#1C2D81
4#18276E
5#14205C
6#101A4A
7#0C1337
8#080D25
9#040612
Tints
Lighter variations
1#2E49CF
2#445CD6
3#5B70DB
4#7285E0
5#8A99E5
6#A1AEEA
7#B9C2F0
8#D0D6F5
9#E8EBFA
Tones
Muted variations
1#3045B1
2#374AAA
3#3E4FA2
4#45539B
5#4C5894
6#535D8D
7#5B6286
8#62677F
9#696B77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E6 #E2E6F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C9D0 #C9D0F3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9FAB #9FABEA | BordersInactive statesPlaceholder text |
| 400 | 6D80 #6D80DF | Disabled statesSecondary iconsMuted text |
| 500 | 435B #435BD6 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2840 #2840B8 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2033 #203392 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1725 #172569 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F17 #0F1743 | Primary textHigh emphasis contentDark headings |
| 950 | 090F #090F2A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FC;
--cobalt-100: #E2E6F9;
--cobalt-200: #C9D0F3;
--cobalt-300: #9FABEA;
--cobalt-400: #6D80DF;
--cobalt-500: #435BD6;
--cobalt-600: #2840B8;
--cobalt-700: #203392;
--cobalt-800: #172569;
--cobalt-900: #0F1743;
--cobalt-950: #090F2A;
}