Charcoal
#042D4E
BlueColor Codes
All color formats for development
HEX
#042D4ERGB
rgb(4, 45, 78)HSL
hsl(207, 90%, 16%)OKLCH
oklch(0.29 0.074 248.4)CMYK
cmyk(95%, 42%, 0%, 69%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#042846
2#03243E
3#031F36
4#021B2F
5#021627
6#02121F
7#010D17
8#010910
9#000408
Tints
Lighter variations
1#064476
2#085B9F
3#0B73C8
4#0D8AF0
5#349EF4
6#5CB1F6
7#85C5F9
8#AED8FB
9#D6ECFD
Tones
Muted variations
1#082C4A
2#0B2C46
3#0F2B43
4#132B3F
5#162B3B
6#1A2A37
7#1E2A34
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 | DDEF #DDEFFD | Light backgroundsTable row hoverSkeleton loading |
| 200 | C0E1 #C0E1FC | Secondary backgroundsInput backgroundsDividers |
| 300 | 90CA #90CAF9 | BordersInactive statesPlaceholder text |
| 400 | 55AE #55AEF6 | Disabled statesSecondary iconsMuted text |
| 500 | 2597 #2597F4 | Primary brand colorCTAsActive elementsLinks |
| 600 | 0B7A #0B7AD5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 0961 #0961AA | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0645 #064579 | Text on light backgroundsHeadingsStrong borders |
| 900 | 042C #042C4E | Primary textHigh emphasis contentDark headings |
| 950 | 031C #031C30 | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--charcoal-50: #F0F8FE;
--charcoal-100: #DDEFFD;
--charcoal-200: #C0E1FC;
--charcoal-300: #90CAF9;
--charcoal-400: #55AEF6;
--charcoal-500: #2597F4;
--charcoal-600: #0B7AD5;
--charcoal-700: #0961AA;
--charcoal-800: #064579;
--charcoal-900: #042C4E;
--charcoal-950: #031C30;
}