Cobalt
#1B3DC5
BlueColor Codes
All color formats for development
HEX
#1B3DC5RGB
rgb(27, 61, 197)HSL
hsl(228, 76%, 44%)OKLCH
oklch(0.44 0.213 265.9)CMYK
cmyk(86%, 69%, 0%, 23%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1837B2
2#16319E
3#132B8A
4#102576
5#0D1F63
6#0B184F
7#08123B
8#050C27
9#030614
Tints
Lighter variations
1#1E45DF
2#3659E4
3#4F6DE7
4#6882EA
5#8197EE
6#9AACF1
7#B4C1F5
8#CDD5F8
9#E6EAFC
Tones
Muted variations
1#2342BD
2#2C47B4
3#354CAC
4#3D52A3
5#46579B
6#4E5C92
7#57618A
8#5F6681
9#686B79
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F4 #F2F4FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E5 #E0E5FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5CF #C5CFF7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98AA #98AAF1 | BordersInactive statesPlaceholder text |
| 400 | 627D #627DEA | Disabled statesSecondary iconsMuted text |
| 500 | 3558 #3558E3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B3D #1B3DC5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1531 #15319D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F23 #0F2370 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A16 #0A1648 | Primary textHigh emphasis contentDark headings |
| 950 | 060E #060E2D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F4FD;
--cobalt-100: #E0E5FB;
--cobalt-200: #C5CFF7;
--cobalt-300: #98AAF1;
--cobalt-400: #627DEA;
--cobalt-500: #3558E3;
--cobalt-600: #1B3DC5;
--cobalt-700: #15319D;
--cobalt-800: #0F2370;
--cobalt-900: #0A1648;
--cobalt-950: #060E2D;
}