Charcoal
#283F57
BlueColor Codes
All color formats for development
HEX
#283F57RGB
rgb(40, 63, 87)HSL
hsl(211, 37%, 25%)OKLCH
oklch(0.36 0.051 250.4)CMYK
cmyk(54%, 28%, 0%, 66%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#24394F
2#203246
3#1C2C3D
4#182634
5#141F2C
6#101923
7#0C131A
8#080D11
9#040609
Tints
Lighter variations
1#345272
2#40658C
3#4C78A6
4#628BB7
5#7C9EC3
6#96B2CF
7#B0C5DB
8#CBD8E7
9#E5ECF3
Tones
Muted variations
1#2B3F55
2#2D3F53
3#2F3F50
4#323F4E
5#343F4C
6#363F49
7#394047
8#3B4044
9#3D4042
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F5F7 #F5F7FA | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E7ED #E7EDF4 | Light backgroundsTable row hoverSkeleton loading |
| 200 | D2DD #D2DDEA | Secondary backgroundsInput backgroundsDividers |
| 300 | AFC4 #AFC4DA | BordersInactive statesPlaceholder text |
| 400 | 85A5 #85A5C7 | Disabled statesSecondary iconsMuted text |
| 500 | 628B #628BB7 | Primary brand colorCTAsActive elementsLinks |
| 600 | 476F #476F9A | Hover statesFocus ringsPrimary buttons hover |
| 700 | 3858 #38587A | Active/pressed statesDark mode accentsSecondary text |
| 800 | 283F #283F57 | Text on light backgroundsHeadingsStrong borders |
| 900 | 1A28 #1A2838 | Primary textHigh emphasis contentDark headings |
| 950 | 1019 #101923 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--charcoal-50: #F5F7FA;
--charcoal-100: #E7EDF4;
--charcoal-200: #D2DDEA;
--charcoal-300: #AFC4DA;
--charcoal-400: #85A5C7;
--charcoal-500: #628BB7;
--charcoal-600: #476F9A;
--charcoal-700: #38587A;
--charcoal-800: #283F57;
--charcoal-900: #1A2838;
--charcoal-950: #101923;
}