Cobalt
#2839B8
BlueColor Codes
All color formats for development
HEX
#2839B8RGB
rgb(40, 57, 184)HSL
hsl(233, 64%, 44%)OKLCH
oklch(0.425 0.198 269.3)CMYK
cmyk(78%, 69%, 0%, 28%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2433A6
2#202E93
3#1C2881
4#18226E
5#141D5C
6#10174A
7#0C1137
8#080B25
9#040612
Tints
Lighter variations
1#2E40CF
2#4455D6
3#5B6ADB
4#727FE0
5#8A95E5
6#A1AAEA
7#B9BFF0
8#D0D4F5
9#E8EAFA
Tones
Muted variations
1#303FB1
2#3744AA
3#3E4AA2
4#454F9B
5#4C5594
6#535A8D
7#5B6086
8#62657F
9#696B77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E2E4 #E2E4F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C9CE #C9CEF3 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9FA8 #9FA8EA | BordersInactive statesPlaceholder text |
| 400 | 6D7A #6D7ADF | Disabled statesSecondary iconsMuted text |
| 500 | 4354 #4354D6 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2839 #2839B8 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 202D #202D92 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1720 #172069 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0F15 #0F1543 | Primary textHigh emphasis contentDark headings |
| 950 | 090D #090D2A | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FC;
--cobalt-100: #E2E4F9;
--cobalt-200: #C9CEF3;
--cobalt-300: #9FA8EA;
--cobalt-400: #6D7ADF;
--cobalt-500: #4354D6;
--cobalt-600: #2839B8;
--cobalt-700: #202D92;
--cobalt-800: #172069;
--cobalt-900: #0F1543;
--cobalt-950: #090D2A;
}