Cobalt
#28518A
BlueColor Codes
All color formats for development
HEX
#28518ARGB
rgb(40, 81, 138)HSL
hsl(215, 55%, 35%)OKLCH
oklch(0.435 0.105 257.1)CMYK
cmyk(71%, 41%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24497D
2#20416F
3#1C3961
4#183153
5#142945
6#102037
7#0C182A
8#08101C
9#04080E
Tints
Lighter variations
1#3060A4
2#376FBE
3#4B80CB
4#6592D2
5#7FA5DA
6#98B7E1
7#B2C9E9
8#CCDBF0
9#E5EDF8
Tones
Muted variations
1#2D5285
2#325381
3#37547C
4#3C5477
5#415572
6#46566D
7#4B5768
8#4F5863
9#54585E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F7 #F3F7FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3EC #E3ECF7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCDB #CCDBF0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4BF #A4BFE5 | BordersInactive statesPlaceholder text |
| 400 | 759E #759ED7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D82 #4D82CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 3266 #3266AE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2851 #28518A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D3A #1D3A63 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1225 #12253F | Primary textHigh emphasis contentDark headings |
| 950 | 0B17 #0B1728 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F7FC;
--cobalt-100: #E3ECF7;
--cobalt-200: #CCDBF0;
--cobalt-300: #A4BFE5;
--cobalt-400: #759ED7;
--cobalt-500: #4D82CB;
--cobalt-600: #3266AE;
--cobalt-700: #28518A;
--cobalt-800: #1D3A63;
--cobalt-900: #12253F;
--cobalt-950: #0B1728;
}