Charcoal
#284A57
BlueColor Codes
All color formats for development
HEX
#284A57RGB
rgb(40, 74, 87)HSL
hsl(197, 37%, 25%)OKLCH
oklch(0.389 0.045 224.8)CMYK
cmyk(54%, 15%, 0%, 66%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24434F
2#203B46
3#1C343D
4#182C34
5#14252C
6#101E23
7#0C161A
8#080F11
9#040709
Tints
Lighter variations
1#346072
2#40768C
3#4C8DA6
4#629FB7
5#7CAFC3
6#96BFCF
7#B0CFDB
8#CBDFE7
9#E5EFF3
Tones
Muted variations
1#2B4955
2#2D4853
3#2F4750
4#32464E
5#34454C
6#364449
7#394347
8#3B4244
9#3D4142
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F5F9 #F5F9FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E7F0 #E7F0F4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D2E3 #D2E3EA | Secondary backgroundsInput backgroundsDividers |
| 300 | AFCE #AFCEDA | BordersInactive statesPlaceholder text |
| 400 | 85B4 #85B4C7 | Disabled statesSecondary iconsMuted text |
| 500 | 629F #629FB7 | Primary brand colorCTAsActive elementsLinks |
| 600 | 4782 #47829A | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3868 #38687A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 284A #284A57 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1A2F #1A2F38 | Primary textHigh emphasis contentDark headings |
| 950 | 101E #101E23 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--charcoal-50: #F5F9FA;
--charcoal-100: #E7F0F4;
--charcoal-200: #D2E3EA;
--charcoal-300: #AFCEDA;
--charcoal-400: #85B4C7;
--charcoal-500: #629FB7;
--charcoal-600: #47829A;
--charcoal-700: #38687A;
--charcoal-800: #284A57;
--charcoal-900: #1A2F38;
--charcoal-950: #101E23;
}