Cobalt
#28538A
BlueColor Codes
All color formats for development
HEX
#28538ARGB
rgb(40, 83, 138)HSL
hsl(214, 55%, 35%)OKLCH
oklch(0.44 0.103 255.7)CMYK
cmyk(71%, 40%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#244A7D
2#20426F
3#1C3A61
4#183253
5#142945
6#102137
7#0C192A
8#08111C
9#04080E
Tints
Lighter variations
1#3062A4
2#3771BE
3#4B82CB
4#6594D2
5#7FA6DA
6#98B8E1
7#B2CAE9
8#CCDBF0
9#E5EDF8
Tones
Muted variations
1#2D5385
2#325481
3#37557C
4#3C5577
5#415672
6#46576D
7#4B5768
8#4F5863
9#54595E
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 | A4C0 #A4C0E5 | BordersInactive statesPlaceholder text |
| 400 | 759F #759FD7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D84 #4D84CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 3268 #3268AE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2853 #28538A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D3B #1D3B63 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1226 #12263F | Primary textHigh emphasis contentDark headings |
| 950 | 0B18 #0B1828 | 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: #A4C0E5;
--cobalt-400: #759FD7;
--cobalt-500: #4D84CB;
--cobalt-600: #3268AE;
--cobalt-700: #28538A;
--cobalt-800: #1D3B63;
--cobalt-900: #12263F;
--cobalt-950: #0B1828;
}