Cobalt
#28448A
BlueColor Codes
All color formats for development
HEX
#28448ARGB
rgb(40, 68, 138)HSL
hsl(223, 55%, 35%)OKLCH
oklch(0.406 0.122 265)CMYK
cmyk(71%, 51%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#243D7D
2#20366F
3#1C3061
4#182953
5#142245
6#101B37
7#0C142A
8#080E1C
9#04070E
Tints
Lighter variations
1#3051A4
2#375DBE
3#4B6FCB
4#6584D2
5#7F98DA
6#98ADE1
7#B2C1E9
8#CCD6F0
9#E5EAF8
Tones
Muted variations
1#2D4685
2#324881
3#374A7C
4#3C4C77
5#414F72
6#46516D
7#4B5368
8#4F5563
9#54575E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F6 #F3F6FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E9 #E3E9F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCD6 #CCD6F0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4B6 #A4B6E5 | BordersInactive statesPlaceholder text |
| 400 | 7590 #7590D7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D71 #4D71CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 3255 #3255AE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2844 #28448A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D31 #1D3163 | Text on light backgroundsHeadingsStrong borders |
| 900 | 121F #121F3F | Primary textHigh emphasis contentDark headings |
| 950 | 0B13 #0B1328 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F6FC;
--cobalt-100: #E3E9F7;
--cobalt-200: #CCD6F0;
--cobalt-300: #A4B6E5;
--cobalt-400: #7590D7;
--cobalt-500: #4D71CB;
--cobalt-600: #3255AE;
--cobalt-700: #28448A;
--cobalt-800: #1D3163;
--cobalt-900: #121F3F;
--cobalt-950: #0B1328;
}