Charcoal
#283B57
BlueColor Codes
All color formats for development
HEX
#283B57RGB
rgb(40, 59, 87)HSL
hsl(216, 37%, 25%)OKLCH
oklch(0.35 0.055 257.9)CMYK
cmyk(54%, 32%, 0%, 66%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24354F
2#202F46
3#1C293D
4#182334
5#141E2C
6#101823
7#0C121A
8#080C11
9#040609
Tints
Lighter variations
1#344D72
2#405E8C
3#4C70A6
4#6284B7
5#7C98C3
6#96ADCF
7#B0C1DB
8#CBD6E7
9#E5EAF3
Tones
Muted variations
1#2B3C55
2#2D3C53
3#2F3C50
4#323D4E
5#343D4C
6#363E49
7#393E47
8#3B3F44
9#3D3F42
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F5F7 #F5F7FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E7EC #E7ECF4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D2DB #D2DBEA | Secondary backgroundsInput backgroundsDividers |
| 300 | AFC0 #AFC0DA | BordersInactive statesPlaceholder text |
| 400 | 859F #859FC7 | Disabled statesSecondary iconsMuted text |
| 500 | 6284 #6284B7 | Primary brand colorCTAsActive elementsLinks |
| 600 | 4768 #47689A | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3853 #38537A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 283B #283B57 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1A26 #1A2638 | Primary textHigh emphasis contentDark headings |
| 950 | 1018 #101823 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--charcoal-50: #F5F7FA;
--charcoal-100: #E7ECF4;
--charcoal-200: #D2DBEA;
--charcoal-300: #AFC0DA;
--charcoal-400: #859FC7;
--charcoal-500: #6284B7;
--charcoal-600: #47689A;
--charcoal-700: #38537A;
--charcoal-800: #283B57;
--charcoal-900: #1A2638;
--charcoal-950: #101823;
}