Cobalt
#42429E
BlueColor Codes
All color formats for development
HEX
#42429ERGB
rgb(66, 66, 158)HSL
hsl(240, 41%, 44%)OKLCH
oklch(0.433 0.146 278.4)CMYK
cmyk(58%, 58%, 0%, 38%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#3C3C8E
2#35357F
3#2E2E6F
4#28285F
5#21214F
6#1A1A3F
7#14142F
8#0D0D20
9#070710
Tints
Lighter variations
1#4B4BB2
2#5E5EBC
3#7272C4
4#8686CC
5#9A9AD5
6#AEAEDD
7#C3C3E6
8#D7D7EE
9#EBEBF7
Tones
Muted variations
1#47479A
2#4B4B95
3#505090
4#55558C
5#595987
6#5E5E83
7#62627E
8#676779
9#6C6C75
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F4 #F4F4FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E6E6 #E6E6F4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D0D0 #D0D0EB | Secondary backgroundsInput backgroundsDividers |
| 300 | ACAC #ACACDC | BordersInactive statesPlaceholder text |
| 400 | 8181 #8181CA | Disabled statesSecondary iconsMuted text |
| 500 | 5D5D #5D5DBB | Primary brand colorCTAsActive elementsLinks |
| 600 | 4242 #42429E | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3535 #35357E | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2626 #26265A | Text on light backgroundsHeadingsStrong borders |
| 900 | 1818 #18183A | Primary textHigh emphasis contentDark headings |
| 950 | 0F0F #0F0F24 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F4F4FA;
--cobalt-100: #E6E6F4;
--cobalt-200: #D0D0EB;
--cobalt-300: #ACACDC;
--cobalt-400: #8181CA;
--cobalt-500: #5D5DBB;
--cobalt-600: #42429E;
--cobalt-700: #35357E;
--cobalt-800: #26265A;
--cobalt-900: #18183A;
--cobalt-950: #0F0F24;
}