Cobalt
#001EB3
BlueColor Codes
All color formats for development
HEX
#001EB3RGB
rgb(0, 30, 179)HSL
hsl(230, 100%, 35%)OKLCH
oklch(0.369 0.225 264.2)CMYK
cmyk(100%, 83%, 0%, 30%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#001BA1
2#00188F
3#00157D
4#00126B
5#000F59
6#000C47
7#000936
8#000624
9#000312
Tints
Lighter variations
1#0023D4
2#0029F5
3#173EFF
4#3859FF
5#5975FF
6#7A91FF
7#9CACFF
8#BDC8FF
9#DEE3FF
Tones
Muted variations
1#0924AA
2#122AA1
3#1B3098
4#24368F
5#2D3C86
6#36417D
7#3E4774
8#474D6B
9#505362
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F2 #F0F2FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DBE1 #DBE1FF | Light backgroundsTable row hoverSkeleton loading |
| 200 | BDC8 #BDC8FF | Secondary backgroundsInput backgroundsDividers |
| 300 | 8A9D #8A9DFF | BordersInactive statesPlaceholder text |
| 400 | 4D6A #4D6AFF | Disabled statesSecondary iconsMuted text |
| 500 | 1A40 #1A40FF | Primary brand colorCTAsActive elementsLinks |
| 600 | 0025 #0025E0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 001E #001EB3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0015 #001580 | Text on light backgroundsHeadingsStrong borders |
| 900 | 000E #000E52 | Primary textHigh emphasis contentDark headings |
| 950 | 0008 #000833 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F2FF;
--cobalt-100: #DBE1FF;
--cobalt-200: #BDC8FF;
--cobalt-300: #8A9DFF;
--cobalt-400: #4D6AFF;
--cobalt-500: #1A40FF;
--cobalt-600: #0025E0;
--cobalt-700: #001EB3;
--cobalt-800: #001580;
--cobalt-900: #000E52;
--cobalt-950: #000833;
}