Cobalt
#28348A
BlueColor Codes
All color formats for development
HEX
#28348ARGB
rgb(40, 52, 138)HSL
hsl(233, 55%, 35%)OKLCH
oklch(0.372 0.143 271.5)CMYK
cmyk(71%, 62%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#242E7D
2#20296F
3#1C2461
4#181F53
5#141A45
6#101537
7#0C0F2A
8#080A1C
9#04050E
Tints
Lighter variations
1#303DA4
2#3747BE
3#4B5ACB
4#6572D2
5#7F89DA
6#98A1E1
7#B2B8E9
8#CCD0F0
9#E5E7F8
Tones
Muted variations
1#2D3785
2#323B81
3#373F7C
4#3C4377
5#414672
6#464A6D
7#4B4E68
8#4F5263
9#54555E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F4 #F3F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E6 #E3E6F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCD0 #CCD0F0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4AC #A4ACE5 | BordersInactive statesPlaceholder text |
| 400 | 7580 #7580D7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D5C #4D5CCB | Primary brand colorCTAsActive elementsLinks |
| 600 | 3241 #3241AE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2834 #28348A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D25 #1D2563 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1218 #12183F | Primary textHigh emphasis contentDark headings |
| 950 | 0B0F #0B0F28 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F4FC;
--cobalt-100: #E3E6F7;
--cobalt-200: #CCD0F0;
--cobalt-300: #A4ACE5;
--cobalt-400: #7580D7;
--cobalt-500: #4D5CCB;
--cobalt-600: #3241AE;
--cobalt-700: #28348A;
--cobalt-800: #1D2563;
--cobalt-900: #12183F;
--cobalt-950: #0B0F28;
}