Cobalt
#1C3F97
BlueColor Codes
All color formats for development
HEX
#1C3F97RGB
rgb(28, 63, 151)HSL
hsl(223, 69%, 35%)OKLCH
oklch(0.4 0.15 264.2)CMYK
cmyk(81%, 58%, 0%, 41%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#193888
2#163279
3#132C6A
4#11265A
5#0E1F4B
6#0B193C
7#08132D
8#060D1E
9#03060F
Tints
Lighter variations
1#214AB3
2#2656CF
3#3B68DB
4#577EE0
5#7393E5
6#8FA9EA
7#ABBEF0
8#C7D4F5
9#E3E9FA
Tones
Muted variations
1#224191
2#28448B
3#2E4784
4#34497E
5#3A4C78
6#414F72
7#47516C
8#4D5466
9#53575F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E8 #E1E8F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C7D4 #C7D4F5 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9CB3 #9CB3ED | BordersInactive statesPlaceholder text |
| 400 | 688B #688BE3 | Disabled statesSecondary iconsMuted text |
| 500 | 3D6A #3D6ADB | Primary brand colorCTAsActive elementsLinks |
| 600 | 234F #234FBE | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1C3F #1C3F97 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 142D #142D6C | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D1D #0D1D45 | Primary textHigh emphasis contentDark headings |
| 950 | 0812 #08122B | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E1E8F9;
--cobalt-200: #C7D4F5;
--cobalt-300: #9CB3ED;
--cobalt-400: #688BE3;
--cobalt-500: #3D6ADB;
--cobalt-600: #234FBE;
--cobalt-700: #1C3F97;
--cobalt-800: #142D6C;
--cobalt-900: #0D1D45;
--cobalt-950: #08122B;
}