Charcoal
#3F5473
BlueColor Codes
All color formats for development
HEX
#3F5473RGB
rgb(63, 84, 115)HSL
hsl(216, 29%, 35%)OKLCH
oklch(0.442 0.058 258)CMYK
cmyk(45%, 27%, 0%, 55%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#394C68
2#33435C
3#2C3B51
4#263245
5#202A3A
6#19222E
7#131923
8#0D1117
9#06080C
Tints
Lighter variations
1#4B6489
2#57739E
3#6984AD
4#7F96B8
5#94A7C4
6#A9B9D0
7#BFCADC
8#D4DCE7
9#EAEDF3
Tones
Muted variations
1#425571
2#45556E
3#47566B
4#4A5669
5#4C5766
6#4F5764
7#515861
8#54585E
9#57595C
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F5F7 #F5F7FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E8EC #E8ECF2 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D4DC #D4DCE7 | Secondary backgroundsInput backgroundsDividers |
| 300 | B3C1 #B3C1D5 | BordersInactive statesPlaceholder text |
| 400 | 8CA1 #8CA1C0 | Disabled statesSecondary iconsMuted text |
| 500 | 6B86 #6B86AE | Primary brand colorCTAsActive elementsLinks |
| 600 | 506A #506A91 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3F54 #3F5473 | Active/pressed statesDark mode accentsSecondary text |
| 800 | 2D3C #2D3C52 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1D26 #1D2635 | Primary textHigh emphasis contentDark headings |
| 950 | 1218 #121821 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--charcoal-50: #F5F7FA;
--charcoal-100: #E8ECF2;
--charcoal-200: #D4DCE7;
--charcoal-300: #B3C1D5;
--charcoal-400: #8CA1C0;
--charcoal-500: #6B86AE;
--charcoal-600: #506A91;
--charcoal-700: #3F5473;
--charcoal-800: #2D3C52;
--charcoal-900: #1D2635;
--charcoal-950: #121821;
}