Cobalt
#28478A
BlueColor Codes
All color formats for development
HEX
#28478ARGB
rgb(40, 71, 138)HSL
hsl(221, 55%, 35%)OKLCH
oklch(0.412 0.118 263.4)CMYK
cmyk(71%, 49%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24407D
2#20396F
3#1C3261
4#182B53
5#142445
6#101D37
7#0C152A
8#080E1C
9#04070E
Tints
Lighter variations
1#3054A4
2#3762BE
3#4B74CB
4#6587D2
5#7F9BDA
6#98AFE1
7#B2C3E9
8#CCD7F0
9#E5EBF8
Tones
Muted variations
1#2D4985
2#324B81
3#374D7C
4#3C4E77
5#415072
6#46526D
7#4B5468
8#4F5663
9#54575E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F6 #F3F6FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3EA #E3EAF7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCD7 #CCD7F0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4B9 #A4B9E5 | BordersInactive statesPlaceholder text |
| 400 | 7594 #7594D7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D75 #4D75CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 325A #325AAE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2847 #28478A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D33 #1D3363 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1221 #12213F | Primary textHigh emphasis contentDark headings |
| 950 | 0B14 #0B1428 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F6FC;
--cobalt-100: #E3EAF7;
--cobalt-200: #CCD7F0;
--cobalt-300: #A4B9E5;
--cobalt-400: #7594D7;
--cobalt-500: #4D75CB;
--cobalt-600: #325AAE;
--cobalt-700: #28478A;
--cobalt-800: #1D3363;
--cobalt-900: #12213F;
--cobalt-950: #0B1428;
}