Cobalt
#28398A
BlueColor Codes
All color formats for development
HEX
#28398ARGB
rgb(40, 57, 138)HSL
hsl(230, 55%, 35%)OKLCH
oklch(0.382 0.136 269.8)CMYK
cmyk(71%, 59%, 0%, 46%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24337D
2#202D6F
3#1C2861
4#182253
5#141C45
6#101737
7#0C112A
8#080B1C
9#04060E
Tints
Lighter variations
1#3043A4
2#374EBE
3#4B60CB
4#6577D2
5#7F8EDA
6#98A4E1
7#B2BBE9
8#CCD2F0
9#E5E8F8
Tones
Muted variations
1#2D3C85
2#323F81
3#37427C
4#3C4677
5#414972
6#464C6D
7#4B4F68
8#4F5363
9#54565E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F5 #F3F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E7 #E3E7F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CCD2 #CCD2F0 | Secondary backgroundsInput backgroundsDividers |
| 300 | A4AF #A4AFE5 | BordersInactive statesPlaceholder text |
| 400 | 7585 #7585D7 | Disabled statesSecondary iconsMuted text |
| 500 | 4D62 #4D62CB | Primary brand colorCTAsActive elementsLinks |
| 600 | 3247 #3247AE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2839 #28398A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1D28 #1D2863 | Text on light backgroundsHeadingsStrong borders |
| 900 | 121A #121A3F | Primary textHigh emphasis contentDark headings |
| 950 | 0B10 #0B1028 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F5FC;
--cobalt-100: #E3E7F7;
--cobalt-200: #CCD2F0;
--cobalt-300: #A4AFE5;
--cobalt-400: #7585D7;
--cobalt-500: #4D62CB;
--cobalt-600: #3247AE;
--cobalt-700: #28398A;
--cobalt-800: #1D2863;
--cobalt-900: #121A3F;
--cobalt-950: #0B1028;
}