Charcoal
#042F4E
BlueColor Codes
All color formats for development
HEX
#042F4ERGB
rgb(4, 47, 78)HSL
hsl(205, 90%, 16%)OKLCH
oklch(0.296 0.072 246)CMYK
cmyk(95%, 40%, 0%, 69%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#042A46
2#03263E
3#032136
4#021C2F
5#021727
6#02131F
7#010E17
8#010910
9#000508
Tints
Lighter variations
1#064876
2#08609F
3#0B79C8
4#0D91F0
5#34A4F4
6#5CB6F6
7#85C8F9
8#AEDBFB
9#D6EDFD
Tones
Muted variations
1#082E4A
2#0B2E46
3#0F2D43
4#132C3F
5#162C3B
6#1A2B37
7#1E2B34
8#212A30
9#25292C
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F0F8 #F0F8FE | BackgroundsSubtle highlightsCard backgrounds |
| 100 | DDF0 #DDF0FD | Light backgroundsTable row hoverSkeleton loading |
| 200 | C0E3 #C0E3FC | Secondary backgroundsInput backgroundsDividers |
| 300 | 90CD #90CDF9 | BordersInactive statesPlaceholder text |
| 400 | 55B3 #55B3F6 | Disabled statesSecondary iconsMuted text |
| 500 | 259D #259DF4 | Primary brand colorCTAsActive elementsLinks |
| 600 | 0B81 #0B81D5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0967 #0967AA | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0649 #064979 | Text on light backgroundsHeadingsStrong borders |
| 900 | 042F #042F4E | Primary textHigh emphasis contentDark headings |
| 950 | 031D #031D30 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--charcoal-50: #F0F8FE;
--charcoal-100: #DDF0FD;
--charcoal-200: #C0E3FC;
--charcoal-300: #90CDF9;
--charcoal-400: #55B3F6;
--charcoal-500: #259DF4;
--charcoal-600: #0B81D5;
--charcoal-700: #0967AA;
--charcoal-800: #064979;
--charcoal-900: #042F4E;
--charcoal-950: #031D30;
}