Cobalt
#3039B0
BlueColor Codes
All color formats for development
HEX
#3039B0RGB
rgb(48, 57, 176)HSL
hsl(236, 57%, 44%)OKLCH
oklch(0.421 0.186 272)CMYK
cmyk(73%, 68%, 0%, 31%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2B339F
2#272D8D
3#22287B
4#1D226A
5#181C58
6#131746
7#0E1135
8#0A0B23
9#050612
Tints
Lighter variations
1#3640C7
2#4C54CE
3#626AD4
4#787FDA
5#8F94E0
6#A5AAE6
7#BCBFED
8#D2D4F3
9#E9EAF9
Tones
Muted variations
1#373EAA
2#3D44A3
3#43499D
4#4A4F97
5#505490
6#575A8A
7#5D6083
8#63657D
9#6A6B77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F4 #F3F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E4 #E3E4F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CBCD #CBCDF1 | Secondary backgroundsInput backgroundsDividers |
| 300 | A3A7 #A3A7E6 | BordersInactive statesPlaceholder text |
| 400 | 737A #737AD9 | Disabled statesSecondary iconsMuted text |
| 500 | 4B54 #4B54CE | Primary brand colorCTAsActive elementsLinks |
| 600 | 3039 #3039B0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 262D #262D8C | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1B20 #1B2064 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1215 #121540 | Primary textHigh emphasis contentDark headings |
| 950 | 0B0D #0B0D28 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F4FC;
--cobalt-100: #E3E4F7;
--cobalt-200: #CBCDF1;
--cobalt-300: #A3A7E6;
--cobalt-400: #737AD9;
--cobalt-500: #4B54CE;
--cobalt-600: #3039B0;
--cobalt-700: #262D8C;
--cobalt-800: #1B2064;
--cobalt-900: #121540;
--cobalt-950: #0B0D28;
}