Cobalt
#303DB0
BlueColor Codes
All color formats for development
HEX
#303DB0RGB
rgb(48, 61, 176)HSL
hsl(234, 57%, 44%)OKLCH
oklch(0.428 0.181 271.3)CMYK
cmyk(73%, 65%, 0%, 31%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#2B379F
2#27318D
3#222B7B
4#1D256A
5#181F58
6#131846
7#0E1235
8#0A0C23
9#050612
Tints
Lighter variations
1#3645C7
2#4C59CE
3#626DD4
4#7882DA
5#8F97E0
6#A5ACE6
7#BCC1ED
8#D2D5F3
9#E9EAF9
Tones
Muted variations
1#3742AA
2#3D47A3
3#434C9D
4#4A5297
5#505790
6#575C8A
7#5D6183
8#63667D
9#6A6B77
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F4 #F3F4FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E5 #E3E5F7 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CBCF #CBCFF1 | Secondary backgroundsInput backgroundsDividers |
| 300 | A3AA #A3AAE6 | BordersInactive statesPlaceholder text |
| 400 | 737D #737DD9 | Disabled statesSecondary iconsMuted text |
| 500 | 4B58 #4B58CE | Primary brand colorCTAsActive elementsLinks |
| 600 | 303D #303DB0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 2631 #26318C | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1B23 #1B2364 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1216 #121640 | Primary textHigh emphasis contentDark headings |
| 950 | 0B0E #0B0E28 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F4FC;
--cobalt-100: #E3E5F7;
--cobalt-200: #CBCFF1;
--cobalt-300: #A3AAE6;
--cobalt-400: #737DD9;
--cobalt-500: #4B58CE;
--cobalt-600: #303DB0;
--cobalt-700: #26318C;
--cobalt-800: #1B2364;
--cobalt-900: #121640;
--cobalt-950: #0B0E28;
}