Cobalt
#3A40A6
BlueColor Codes
All color formats for development
HEX
#3A40A6RGB
rgb(58, 64, 166)HSL
hsl(237, 48%, 44%)OKLCH
oklch(0.431 0.161 274.8)CMYK
cmyk(65%, 61%, 0%, 35%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#353995
2#2F3385
3#292D74
4#232664
5#1D2053
6#171942
7#121332
8#0C0D21
9#060611
Tints
Lighter variations
1#4248BB
2#565BC4
3#6B70CB
4#8084D2
5#9599DA
6#AAADE1
7#C0C2E9
8#D5D6F0
9#EAEBF8
Tones
Muted variations
1#4045A1
2#45499B
3#4B4E96
4#505391
5#55588B
6#5B5D86
7#606280
8#65677B
9#6B6B76
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F4F4 #F4F4FB | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E5E5 #E5E5F6 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CED0 #CED0EE | Secondary backgroundsInput backgroundsDividers |
| 300 | A8AB #A8ABE1 | BordersInactive statesPlaceholder text |
| 400 | 7B7F #7B7FD1 | Disabled statesSecondary iconsMuted text |
| 500 | 555B #555BC3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 3A40 #3A40A6 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2E33 #2E3384 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2124 #21245E | Text on light backgroundsHeadingsStrong borders |
| 900 | 1517 #15173C | Primary textHigh emphasis contentDark headings |
| 950 | 0D0E #0D0E26 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F4F4FB;
--cobalt-100: #E5E5F6;
--cobalt-200: #CED0EE;
--cobalt-300: #A8ABE1;
--cobalt-400: #7B7FD1;
--cobalt-500: #555BC3;
--cobalt-600: #3A40A6;
--cobalt-700: #2E3384;
--cobalt-800: #21245E;
--cobalt-900: #15173C;
--cobalt-950: #0D0E26;
}