Cobalt
#28548A
BlueColor Codes
All color formats for development
HEX
#28548ARGB
rgb(40, 84, 138)HSL
hsl(213, 55%, 35%)OKLCH
oklch(0.443 0.102 254.9)CMYK
cmyk(71%, 39%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#244C7D
2#20436F
3#1C3B61
4#183353
5#142A45
6#102237
7#0C192A
8#08111C
9#04080E
Tints
Lighter variations
1#3064A4
2#3774BE
3#4B85CB
4#6596D2
5#7FA8DA
6#98B9E1
7#B2CBE9
8#CCDCF0
9#E5EEF8
Tones
Muted variations
1#2D5585
2#325581
3#37567C
4#3C5677
5#415772
6#46576D
7#4B5868
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 | CCDC #CCDCF0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4C1 #A4C1E5 | BordersInactive statesPlaceholder text |
| 400 | 75A1 #75A1D7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D86 #4D86CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 326A #326AAE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2854 #28548A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D3C #1D3C63 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1227 #12273F | 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: #CCDCF0;
--cobalt-300: #A4C1E5;
--cobalt-400: #75A1D7;
--cobalt-500: #4D86CB;
--cobalt-600: #326AAE;
--cobalt-700: #28548A;
--cobalt-800: #1D3C63;
--cobalt-900: #12273F;
--cobalt-950: #0B1828;
}