Cobalt
#1D3F95
BlueColor Codes
All color formats for development
HEX
#1D3F95RGB
rgb(29, 63, 149)HSL
hsl(223, 67%, 35%)OKLCH
oklch(0.399 0.147 264.3)CMYK
cmyk(81%, 58%, 0%, 42%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1B3986
2#183377
3#152C68
4#122659
5#0F204B
6#0C193C
7#09132D
8#060D1E
9#03060F
Tints
Lighter variations
1#234BB1
2#2857CC
3#3D69D9
4#597FDE
5#7594E4
6#90A9E9
7#ACBFEF
8#C8D4F4
9#E3EAFA
Tones
Muted variations
1#23428F
2#294589
3#2F4783
4#354A7D
5#3B4C77
6#414F71
7#47516B
8#4D5465
9#53575F
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FC | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E1E8 #E1E8F9 | Light backgroundsTable row hoverSkeleton loading |
| 200 | C8D4 #C8D4F4 | Secondary backgroundsInput backgroundsDividers |
| 300 | 9DB3 #9DB3EC | BordersInactive statesPlaceholder text |
| 400 | 6A8C #6A8CE2 | Disabled statesSecondary iconsMuted text |
| 500 | 3F6B #3F6BD9 | Primary brand colorCTAsActive elementsLinks |
| 600 | 2550 #2550BB | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1D3F #1D3F95 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 152D #152D6A | Text on light backgroundsHeadingsStrong borders |
| 900 | 0D1D #0D1D44 | 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: #F2F5FC;
--cobalt-100: #E1E8F9;
--cobalt-200: #C8D4F4;
--cobalt-300: #9DB3EC;
--cobalt-400: #6A8CE2;
--cobalt-500: #3F6BD9;
--cobalt-600: #2550BB;
--cobalt-700: #1D3F95;
--cobalt-800: #152D6A;
--cobalt-900: #0D1D44;
--cobalt-950: #08122B;
}