Cobalt
#0039B3
BlueColor Codes
All color formats for development
HEX
#0039B3RGB
rgb(0, 57, 179)HSL
hsl(221, 100%, 35%)OKLCH
oklch(0.409 0.199 262.6)CMYK
cmyk(100%, 68%, 0%, 30%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#0033A1
2#002D8F
3#00287D
4#00226B
5#001C59
6#001747
7#001136
8#000B24
9#000612
Tints
Lighter variations
1#0043D4
2#004EF5
3#1760FF
4#3877FF
5#598EFF
6#7AA4FF
7#9CBBFF
8#BDD2FF
9#DEE8FF
Tones
Muted variations
1#093CAA
2#123FA1
3#1B4298
4#24468F
5#2D4986
6#364C7D
7#3E4F74
8#47536B
9#505662
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F5 #F0F5FF | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DBE7 #DBE7FF | Light backgroundsTable row hoverSkeleton loading |
| 200 | BDD2 #BDD2FF | Secondary backgroundsInput backgroundsDividers |
| 300 | 8AAF #8AAFFF | BordersInactive statesPlaceholder text |
| 400 | 4D85 #4D85FF | Disabled statesSecondary iconsMuted text |
| 500 | 1A62 #1A62FF | Primary brand colorCTAsActive elementsLinks |
| 600 | 0047 #0047E0 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0039 #0039B3 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0028 #002880 | Text on light backgroundsHeadingsStrong borders |
| 900 | 001A #001A52 | Primary textHigh emphasis contentDark headings |
| 950 | 0010 #001033 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F0F5FF;
--cobalt-100: #DBE7FF;
--cobalt-200: #BDD2FF;
--cobalt-300: #8AAFFF;
--cobalt-400: #4D85FF;
--cobalt-500: #1A62FF;
--cobalt-600: #0047E0;
--cobalt-700: #0039B3;
--cobalt-800: #002880;
--cobalt-900: #001A52;
--cobalt-950: #001033;
}