Cobalt
#253F8D
BlueColor Codes
All color formats for development
HEX
#253F8DRGB
rgb(37, 63, 141)HSL
hsl(225, 58%, 35%)OKLCH
oklch(0.395 0.133 266.4)CMYK
cmyk(74%, 55%, 0%, 45%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#22397F
2#1E3371
3#1A2C63
4#162655
5#132047
6#0F1938
7#0B132A
8#070D1C
9#04060E
Tints
Lighter variations
1#2C4BA7
2#3357C1
3#4869CE
4#627FD5
5#7C94DC
6#96A9E3
7#B0BFEA
8#CBD4F1
9#E5EAF8
Tones
Muted variations
1#2B4288
2#304583
3#35477D
4#3A4A78
5#3F4C73
6#454F6E
7#4A5169
8#4F5464
9#54575E
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F3F5 #F3F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E3E8 #E3E8F8 | Light backgroundsTable row hoverSkeleton loading |
| 200 | CBD4 #CBD4F1 | Secondary backgroundsInput backgroundsDividers |
| 300 | A2B3 #A2B3E6 | BordersInactive statesPlaceholder text |
| 400 | 728C #728CDA | Disabled statesSecondary iconsMuted text |
| 500 | 4A6B #4A6BCF | Primary brand colorCTAsActive elementsLinks |
| 600 | 2F50 #2F50B1 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 253F #253F8D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 1B2D #1B2D65 | Text on light backgroundsHeadingsStrong borders |
| 900 | 111D #111D40 | Primary textHigh emphasis contentDark headings |
| 950 | 0B12 #0B1228 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F3F5FC;
--cobalt-100: #E3E8F8;
--cobalt-200: #CBD4F1;
--cobalt-300: #A2B3E6;
--cobalt-400: #728CDA;
--cobalt-500: #4A6BCF;
--cobalt-600: #2F50B1;
--cobalt-700: #253F8D;
--cobalt-800: #1B2D65;
--cobalt-900: #111D40;
--cobalt-950: #0B1228;
}