Cobalt
#0033B3
BlueColor Codes
All color formats for development
HEX
#0033B3RGB
rgb(0, 51, 179)HSL
hsl(223, 100%, 35%)OKLCH
oklch(0.398 0.206 263.2)CMYK
cmyk(100%, 72%, 0%, 30%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#002EA1
2#00288F
3#00237D
4#001E6B
5#001959
6#001447
7#000F36
8#000A24
9#000512
Tints
Lighter variations
1#003CD4
2#0045F5
3#1759FF
4#3870FF
5#5988FF
6#7AA0FF
7#9CB8FF
8#BDCFFF
9#DEE7FF
Tones
Muted variations
1#0936AA
2#123AA1
3#1B3E98
4#24428F
5#2D4686
6#364A7D
7#3E4E74
8#47526B
9#505562
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F4 #F0F4FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DBE5 #DBE5FF | Light backgroundsTable row hoverSkeleton loading |
| 200 | BDCF #BDCFFF | Secondary backgroundsInput backgroundsDividers |
| 300 | 8AAB #8AABFF | BordersInactive statesPlaceholder text |
| 400 | 4D7F #4D7FFF | Disabled statesSecondary iconsMuted text |
| 500 | 1A5B #1A5BFF | Primary brand colorCTAsActive elementsLinks |
| 600 | 0040 #0040E0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0033 #0033B3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0024 #002480 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0017 #001752 | Primary textHigh emphasis contentDark headings |
| 950 | 000E #000E33 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F4FF;
--cobalt-100: #DBE5FF;
--cobalt-200: #BDCFFF;
--cobalt-300: #8AABFF;
--cobalt-400: #4D7FFF;
--cobalt-500: #1A5BFF;
--cobalt-600: #0040E0;
--cobalt-700: #0033B3;
--cobalt-800: #002480;
--cobalt-900: #001752;
--cobalt-950: #000E33;
}